APA (7th ed.) Citation

Hediger, H. (1955). Studies of the psychology and behaviour of captive animals in zoos and circuses. Butterworths Scientific Publications.

Chicago Style (17th ed.) Citation

Hediger, Heini. Studies of the Psychology and Behaviour of Captive Animals in Zoos and Circuses. London: Butterworths Scientific Publications, 1955.

MLA (9th ed.) Citation

Hediger, Heini. Studies of the Psychology and Behaviour of Captive Animals in Zoos and Circuses. Butterworths Scientific Publications, 1955.

Warning: These citations may not always be 100% accurate.