Cita APA (7th ed.)

Prothero, D. R. (2004). Evolution of the earth (Seventh edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Prothero, Donald R. Evolution of the Earth. Seventh edition. New York: McGraw-Hill, 2004.

Cita MLA (9th ed.)

Prothero, Donald R. Evolution of the Earth. Seventh edition. McGraw-Hill, 2004.