Cita APA (7th ed.)
Audesirk, T., & Teresa, A. (1993). Biology: Life on earth (3rd ed.). Macmillan.
Cita Chicago (17th ed.)
Audesirk, Teresa, i Audesirk Teresa. Biology: Life on Earth. 3rd ed. New York: Macmillan, 1993.
Cita MLA (9th ed.)
Audesirk, Teresa, i Audesirk Teresa. Biology: Life on Earth. 3rd ed. Macmillan, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.