APA (7th ed.) Citation

Shubert, L. E. (1984). Algae as ecological indicators. Academic.

Chicago Style (17th ed.) Citation

Shubert, L. Elliot. Algae as Ecological Indicators. London, England, United Kingdom: Academic, 1984.

MLA (9th ed.) Citation

Shubert, L. Elliot. Algae as Ecological Indicators. Academic, 1984.