APA (7th ed.) Zitazioa

Clark, K. (1969). Civilisation: A personal view. Penguin.

Chicago Style (17th ed.) Zitazioa

Clark, Kenneth. Civilisation: A Personal View. Harmondsworth: Penguin, 1969.

MLA (9th ed.) Zitazioa

Clark, Kenneth. Civilisation: A Personal View. Penguin, 1969.