Cita APA (7th ed.)

Brown, A. L. (1971). Ecology of fresh water. Heinemann Educational Book.

Cita Chicago (17th ed.)

Brown, Alison Leadley. Ecology of Fresh Water. London: Heinemann Educational Book, 1971.

Cita MLA (9th ed.)

Brown, Alison Leadley. Ecology of Fresh Water. Heinemann Educational Book, 1971.