APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.