Cita APA (7th ed.)

ARMS, K., & CAMP, P. (1988). Biology: A journey into life. Saunders College.

Cita Chicago (17th ed.)

ARMS, Karen, i Pamela CAMP. Biology: A Journey into Life. Philadelpia: Saunders College, 1988.

Cita MLA (9th ed.)

ARMS, Karen, i Pamela CAMP. Biology: A Journey into Life. Saunders College, 1988.