Стиль цитування APA (7-ме видання)

Ardrey, R. (1970). The social contract: A personal enquiry into the evolutionary sources of order and disorder. Collins.

Чикаго стиль цитування (17-те видання)

Ardrey, Robert. The Social Contract: A Personal Enquiry into the Evolutionary Sources of Order and Disorder. London: Collins, 1970.

Стиль цитування MLA (9-ме видання)

Ardrey, Robert. The Social Contract: A Personal Enquiry into the Evolutionary Sources of Order and Disorder. Collins, 1970.