APA

Nobile P., Deedy J. G., . (1972). The complete ecology fact book. Garden City, New York: Doubleday.

Chicago

Nobile Philip, Deedy John G, . 1972. The complete ecology fact book. Garden City, New York: Doubleday.

Harvard

Nobile P., Deedy J. G., . (1972). The complete ecology fact book. Garden City, New York: Doubleday.

MLA

Nobile Philip, Deedy John G, . The complete ecology fact book. Garden City, New York: Doubleday. 1972.