APA (7th ed.) Citation

Ardrey, R. (1973). The territorial imperative: A personal inquiry into the animal origins of property and nations. Atheneum.

Chicago Style (17th ed.) Citation

Ardrey, Robert. The Territorial Imperative: A Personal Inquiry into the Animal Origins of Property and Nations. New York: Atheneum, 1973.

MLA (9th ed.) Citation

Ardrey, Robert. The Territorial Imperative: A Personal Inquiry into the Animal Origins of Property and Nations. Atheneum, 1973.