Cita APA (7th ed.)

Starr, C. (1981). Biology: The unity and diversity of life (2nd ed.). Wadsworth Publishing.

Cita Chicago (17th ed.)

Starr, Cecie. Biology: The Unity and Diversity of Life. 2nd ed. Belmont, California: Wadsworth Publishing, 1981.

Cita MLA (9th ed.)

Starr, Cecie. Biology: The Unity and Diversity of Life. 2nd ed. Wadsworth Publishing, 1981.