Cita APA (7th ed.)

Press, F. (1982). Earth. W.H.Freeman.

Cita Chicago (17th ed.)

Press, Frank. Earth. San Francisco: W.H.Freeman, 1982.

Cita MLA (9th ed.)

Press, Frank. Earth. W.H.Freeman, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.