APA (7th ed.) Citation

Le Guin, U. K. (1990). Tehanu: The last book of Earthsea. Atheneum.

Chicago Style (17th ed.) Citation

Le Guin, Ursula K. Tehanu: The Last Book of Earthsea. New York: Atheneum, 1990.

MLA (9th ed.) Citation

Le Guin, Ursula K. Tehanu: The Last Book of Earthsea. Atheneum, 1990.