APA (7th ed.) Citation

Huxley, E. (1965). The Merry Hippo. Penguin Books.

Chicago Style (17th ed.) Citation

Huxley, Elspeth. The Merry Hippo. Harmondsworth, Eng.: Penguin Books, 1965.

MLA (9th ed.) Citation

Huxley, Elspeth. The Merry Hippo. Penguin Books, 1965.

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