Cita APA (7th ed.)

Wehr, J. D., Sheath, R. G., & Kociolek, J. P. (2015). Freshwater algae of North America: Ecology and classification (Second edition.). Elsevier/Academic Press.

Cita Chicago (17th ed.)

Wehr, John D., Robert G. Sheath, i John Patrick Kociolek. Freshwater Algae of North America: Ecology and Classification. Second edition. Amsterdam: Elsevier/Academic Press, 2015.

Cita MLA (9th ed.)

Wehr, John D., et al. Freshwater Algae of North America: Ecology and Classification. Second edition. Elsevier/Academic Press, 2015.