Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Humm, Harold J., i Susanne R. Wicks. Introduction and Guide to the Marine Bluegreen Algae. Nueva York: John Wiley, 1980.

Cita MLA (9th ed.)

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