APA način citiranja

Open Universityearth's Physical Resources Course Team & Open University, E. P. (1974). Implications. Open university press.

Čikaški stil citiranja

Open Universityearth's Physical Resources Course Team i Earth's Physic Open University. Implications. Open university press, 1974.

MLA način citiranja

Open Universityearth's Physical Resources Course Team i Earth's Physic Open University. Implications. Open university press, 1974.