Citace podle APA (7th ed.)

Wehr, J. D., & Sheath, R. G. (2003). Freshwater algae of North America: Ecology and classification. Academic Press.

Citace podle Chicago (17th ed.)

Wehr, John D., a Robert G. Sheath. Freshwater Algae of North America: Ecology and Classification. San Diego, Calif: Academic Press, 2003.

Citace podle MLA (9th ed.)

Wehr, John D., a Robert G. Sheath. Freshwater Algae of North America: Ecology and Classification. Academic Press, 2003.

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