Gaya APA

Basic Ecology. (1971). New York: West Washington Square.

Gaya Chicago

Basic Ecology. . New York: West Washington Square, 1971. Buku.

Gaya MLA

Basic Ecology. . New York: West Washington Square, 1971. Buku.

Gaya Turabian

Basic Ecology. New York: West Washington Square, 1971. Buku.