APA način citiranja (7. izdanje)

Ron Pickering. (2014). Complete Biology for Cambridge IGCSERG with CD-ROM (Second Edition) (2.). Oxford University Press.

Čikaški stil citiranja (17. izdanje)

Ron Pickering. Complete Biology for Cambridge IGCSERG with CD-ROM (Second Edition). 2. Oxford University Press, 2014.

MLA način citiranja (9. izdanje)

Ron Pickering. Complete Biology for Cambridge IGCSERG with CD-ROM (Second Edition). 2. Oxford University Press, 2014.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.