APA način citiranja (7. izdanje)

Sykes, C., Waugh, E., Greene, G., & Grisewood, H. (2013). Sykes, Christopher, Papers. DigitalGeorgetown.

Čikaški stil citiranja (17. izdanje)

Sykes, Christopher, Evelyn Waugh, Graham Greene, i Harman Grisewood. Sykes, Christopher, Papers. Washington, D.C.: DigitalGeorgetown, 2013.

MLA način citiranja (8. izdanje)

Sykes, Christopher, et al. Sykes, Christopher, Papers. DigitalGeorgetown, 2013.