Cita APA (7th ed.)

Hollenberg, G. J., & Norris, J. N. (1977). The red alga Polysiphonia (Rhodemelaceae) in the Northern Gulf of California. Smithsonian Institution Press.

Cita Chicago (17th ed.)

Hollenberg, George J., i James N. Norris. The Red Alga Polysiphonia (Rhodemelaceae) in the Northern Gulf of California. Washington: Smithsonian Institution Press, 1977.

Cita MLA (9th ed.)

Hollenberg, George J., i James N. Norris. The Red Alga Polysiphonia (Rhodemelaceae) in the Northern Gulf of California. Smithsonian Institution Press, 1977.