Cita APA (7th ed.)

Greene, H. W. (1997). Snakes: The Evolution of Mystery in Nature. University of California.

Cita Chicago (17th ed.)

Greene, Harry W. Snakes: The Evolution of Mystery in Nature. Berkeley: University of California, 1997.

Cita MLA (9th ed.)

Greene, Harry W. Snakes: The Evolution of Mystery in Nature. University of California, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.