Cita APA (7th ed.)

Alters, S. (1996). Biology: Understanding life (2nd ed.). Mosby.

Cita Chicago (17th ed.)

Alters, Sandra. Biology: Understanding Life. 2nd ed. St. Louis: Mosby, 1996.

Cita MLA (9th ed.)

Alters, Sandra. Biology: Understanding Life. 2nd ed. Mosby, 1996.