APA

Brown A. L., . (1971). Ecology of fresh water. Cambridge, Mass: Harvard University Press.

Chicago

Brown Alison Leadley, . 1971. Ecology of fresh water. Cambridge, Mass: Harvard University Press.

Harvard

Brown A. L., . (1971). Ecology of fresh water. Cambridge, Mass: Harvard University Press.

MLA

Brown Alison Leadley, . Ecology of fresh water. Cambridge, Mass: Harvard University Press. 1971.