APA (7th ed.) Citation

Ralph Buchbaum. (1948). Animals Without Backbones: 2. penguin.

Chicago Style (17th ed.) Citation

Ralph Buchbaum. Animals Without Backbones: 2. Australia: penguin, 1948.

MLA (9th ed.) Citation

Ralph Buchbaum. Animals Without Backbones: 2. penguin, 1948.

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