APA (7th ed.) Citation

Ardrey, R. (1966). The territorial imperative: A personal inquiry into the animal origins of property and nations. Collins.

Chicago Style (17th ed.) Citation

Ardrey, Robert. The Territorial Imperative: A Personal Inquiry into the Animal Origins of Property and Nations. London: Collins, 1966.

MLA (9th ed.) Citation

Ardrey, Robert. The Territorial Imperative: A Personal Inquiry into the Animal Origins of Property and Nations. Collins, 1966.