Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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