Your Answer: Last Updated: May 10, 2017 Views: Views: 8
The full citation goes on the citation page but you do need to have a reference within the essay.
The Citation Help Library guide has information on citations http://libraryguides.chattahoocheetech.edu/citationhelp
The OWL Lab has a page on in-text citations https://owl.english.purdue.edu/owl/resource/747/02/
Check with your instructor to be sure of what they expect in your essay.