APA (7th ed.) Zitazioa

Greenland, D. (1977). The earth in profile: A physical geography. Confield.

Chicago Style (17th ed.) Zitazioa

Greenland, David. The Earth in Profile: A Physical Geography. San Francisco: Confield, 1977.

MLA (9th ed.) Zitazioa

Greenland, David. The Earth in Profile: A Physical Geography. Confield, 1977.