Cita APA (7th ed.)

Thompson, H. D. (1960). Earth science. Appleton-Century-Crofts.

Cita Chicago (17th ed.)

Thompson, Henry D. Earth Science. New York: Appleton-Century-Crofts, 1960.

Cita MLA (9th ed.)

Thompson, Henry D. Earth Science. Appleton-Century-Crofts, 1960.

Atenció: Aquestes cites poden no estar 100% correctes.