APA (7th ed.) Zitazioa

Cattermole, P. (1969). The world of geology. Muller.

Chicago Style (17th ed.) Zitazioa

Cattermole, Peter. The World of Geology. Great Britain: Muller, 1969.

MLA (9th ed.) Zitazioa

Cattermole, Peter. The World of Geology. Muller, 1969.