Gaya APA

J., H, , H., R, W, , S. (1980). Introduction and Guide to the Marine Bluegreen Algae . New York: Jhon Wileyand Sons.

Gaya MLA

J., Humm, , Harold., R, Wicks, , Susanne. "Introduction and Guide to the Marine Bluegreen Algae". New York: Jhon Wileyand Sons, 1980. Text.