APA (7th ed.) Citation

Perry, R. (1967). The world of the walrus. Cassell.

Chicago Style (17th ed.) Citation

Perry, Richard. The World of the Walrus. London: Cassell, 1967.

MLA (9th ed.) Citation

Perry, Richard. The World of the Walrus. Cassell, 1967.

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