Cita APA (7th ed.)
Starr, C. (1997). Biology: A human emphasis (3rd ed.). Wadsworth.
Cita Chicago (17th ed.)
Starr, Cecie. Biology: A Human Emphasis. 3rd ed. Belmont: Wadsworth, 1997.
Cita MLA (9th ed.)
Starr, Cecie. Biology: A Human Emphasis. 3rd ed. Wadsworth, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.