APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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