Cita APA

Gerald Audesirk. (1993). Biology: Life of earth. New York: MacMillan.

Chicago Style Citation

Gerald Audesirk. Biology: Life of Earth. New York: MacMillan, 1993.

Cita MLA

Gerald Audesirk. Biology: Life of Earth. New York: MacMillan, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.