APA način citiranja

Penn, J. (1983). The Sandcastle Competition. Oxford University.

Čikaški stil citiranja

Penn, Julie. The Sandcastle Competition. Oxford University, 1983.

MLA način citiranja

Penn, Julie. The Sandcastle Competition. Oxford University, 1983.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.