APA-viite (7. p.)

Nichols, D. (1962). Taxonomy and geography: A symposium. The Systematics Association.

Chicago-viite (17. p.)

Nichols, David. Taxonomy and Geography: A Symposium. London, U.K: The Systematics Association, 1962.

MLA-viite (9. p.)

Nichols, David. Taxonomy and Geography: A Symposium. The Systematics Association, 1962.