APA (7th ed.) Citation

Silva, D. (2011). Portrait of a Spy (1st.). Harper Collins.

Chicago Style (17th ed.) Citation

Silva, Daniel. Portrait of a Spy. 1st. New York: Harper Collins, 2011.

MLA (9th ed.) Citation

Silva, Daniel. Portrait of a Spy. 1st. Harper Collins, 2011.

Warning: These citations may not always be 100% accurate.