APA aipamena

Press, F., & Siever, R. (1974). Earth. W. H. Freeman.

Chicago Style aipamena

Press, Frank, and Raymond Siever. Earth. San Francisco: W. H. Freeman, 1974.

MLA aipamena

Press, Frank, and Raymond Siever. Earth. W. H. Freeman, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.