APA (7th ed.) Citation

Koestler, A. (1937). Spanish testament / by Arthur Koestler ; with an introduction by the Duchess of Atholl. Gollancz.

Chicago Style (17th ed.) Citation

Koestler, Arthur. Spanish Testament / by Arthur Koestler ; with an Introduction by the Duchess of Atholl. Gollancz, 1937.

MLA (9th ed.) Citation

Koestler, Arthur. Spanish Testament / by Arthur Koestler ; with an Introduction by the Duchess of Atholl. Gollancz, 1937.

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