APA (7th ed.) Citation

Williamson, H. (1937). Tarka the otter. Penguin Books.

Chicago Style (17th ed.) Citation

Williamson, Henry. Tarka the Otter. MHarmondsworth, England: Penguin Books, 1937.

MLA (9th ed.) Citation

Williamson, Henry. Tarka the Otter. Penguin Books, 1937.

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