This website from Birmingham City University Library has some helpful examples of how you can integrate and cite your sources in-text (in the body of the essay).
References
Barros, B., Read, T. & Verdejo, M. F. (2008) Virtual collaborative experimentation: an approach combining remote and local labs. IEEE Transactions on Education. 51 (2), 242–250. Available from: doi:10.1109/TE.2007.908071.
Department of Health. (2009) Living well with dementia: a national dementia strategy. Available from: www.gov.uk/government/publications/living-well-with-dementiaa-national-dementia-strategy [Accessed 4th June 2015].
Errami, M. & Garner, H. (2008) A tale of two citations. Nature. 451 (7177), 397–399. 13
Goldacre, B. (2008a) Dore – the media’s miracle cure for dyslexia. Bad Science. Weblog. Available from: http://www.badscience.net/2008/05/dore-the-medias-miracle-cure-fordyslexia/#more-705 [Accessed 19th June 2015].
Goldacre, B. (2008b) Trivial Disputes. Bad Science. Weblog. Available from: http://www.badscience.net/2008/02/trivial-disputes-2/ [Accessed 19th June 2015].
Henderson, J. (2005) Google Scholar: A source for clinicians? Canadian Medical Association Journal. 172 (12), 1549–1550.
Holding, M. Y., Saulino, M. F., Overton, E. A., Kornbluth, I. D. & Freedman, M. K. (2008) Interventions in Chronic Pain Management. 1. Update on Important Definitions in Pain Management. Archives of Physical Medicine and Rehabilitation, 89 (3, Supplement 1), S38–S40.
Pears, R. & Shields, G. (2016) Cite them right: the essential referencing guide. Palgrave study skills. 10th ed. Basingstoke, Palgrave Macmillan.
Ramalho, R., Helffrich, G., Schmidt, D.N. & Vance, D. (2010) Tracers of uplift and subsidence in the Cape Verde archipelago. Journal of the Geological Society. 167 (3), 519–538. Available from: doi:10.1144/0016-76492009-056.
Simons, N. E., Menzies, B. & Matthews, M. (2001) A Short Course in Soil and Rock Slope Engineering. London, Thomas Telford Publishing. Available from: http://www.myilibrary. com?ID=93941 [Accessed 18th June 2015].
Smith, A. (2004) Making mathematics count: the report of Professor Adrian Smith’s inquiry into post-14 mathematics education. London, The Stationery Office. Writing a reference list 14
Van Alphen, K., Voorst, Q. V. T., Kekkert, M. P. & Smits, R.E.H.M. (2007) Societal acceptance of carbon capture and storage technologies. Energy Policy. 35 (8), 4368–4380.
With thanks to Imperial College London Citing & Referencing Guide