Cita APA (7th ed.)

(2009). Charles Darwin: The concise story of an extraordinary man / Tim M. Berra.

Cita Chicago (17th ed.)

Charles Darwin: The Concise Story of an Extraordinary Man / Tim M. Berra. 2009.

Cita MLA (9th ed.)

Charles Darwin: The Concise Story of an Extraordinary Man / Tim M. Berra. 2009.

Atenció: Aquestes cites poden no estar 100% correctes.