APA

Hanson H. C., . (1962). Dictionary of ecology. New York: Philosophical Library.

Chicago

Hanson Herbert C, . 1962. Dictionary of ecology. New York: Philosophical Library.

Harvard

Hanson H. C., . (1962). Dictionary of ecology. New York: Philosophical Library.

MLA

Hanson Herbert C, . Dictionary of ecology. New York: Philosophical Library. 1962.