Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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