APA (7th ed.) Citation

Stevenson, R. L. (1957). Travels with a donkey. The Heritage press.

Chicago Style (17th ed.) Citation

Stevenson, Robert Louis. Travels with a Donkey. New York: The Heritage press, 1957.

MLA (9th ed.) Citation

Stevenson, Robert Louis. Travels with a Donkey. The Heritage press, 1957.