APA (7th ed.) Citation

Cayley, N. W., & Chisholm, A. H. (1958). What bird is that?: A guide to the birds of Australia (2nd ed. rev. and enl.). Angus & Robertson.

Chicago Style (17th ed.) Citation

Cayley, Neville William, and Alec H. Chisholm. What Bird Is That?: A Guide to the Birds of Australia. 2nd ed. rev. and enl. Sydney: Angus & Robertson, 1958.

MLA (9th ed.) Citation

Cayley, Neville William, and Alec H. Chisholm. What Bird Is That?: A Guide to the Birds of Australia. 2nd ed. rev. and enl. Angus & Robertson, 1958.

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