APA (7th ed.) Zitazioa

(1981). Climates past and present. William Kaufmann.

Chicago Style (17th ed.) Zitazioa

Climates Past and Present. Los Altos, Calif.: William Kaufmann, 1981.

MLA (9th ed.) Zitazioa

Climates Past and Present. William Kaufmann, 1981.