Gaya APA

Goin, S, J., Goin, O, B. (1975). Man & the Natural World; an Introduction to Life Science second edition . New York: Machmilan Pub.

Gaya MLA

Goin, Soleman, J.., Goin, Olive, B.. "Man & the Natural World; an Introduction to Life Science second edition". New York: Machmilan Pub, 1975. Text.