APA (7th ed.) Citation

Humm, H. J., & Wicks, S. R. (1980). Introduction and guide to the marine bluegreen algae. Wiley.

Chicago Style (17th ed.) Citation

Humm, Harold Judson, and Susanne R. Wicks. Introduction and Guide to the Marine Bluegreen Algae. New York: Wiley, 1980.

MLA (9th ed.) Citation

Humm, Harold Judson, and Susanne R. Wicks. Introduction and Guide to the Marine Bluegreen Algae. Wiley, 1980.