APA Edition Citation

P J S Olney. (1979). International Zoo year book 1979 V.19. London.

Chicago Edition Citation

P J S Olney. International Zoo Year Book 1979 V.19. London, 1979.

MLA Edition Citation

P J S Olney. International Zoo Year Book 1979 V.19. London, 1979.

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