APA (7th ed.) Citation

(1968). The psychology and behaviour of animals in zoos and circuses / by H. Hediger. Translated by Geoffrey Sircom.

Chicago Style (17th ed.) Citation

The Psychology and Behaviour of Animals in Zoos and Circuses / by H. Hediger. Translated by Geoffrey Sircom. 1968.

MLA (9th ed.) Citation

The Psychology and Behaviour of Animals in Zoos and Circuses / by H. Hediger. Translated by Geoffrey Sircom. 1968.

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