APA (7th ed.) Citation

Koestler, A. (1952). Arrow in the blue: An autobiography. Collins.

Chicago Style (17th ed.) Citation

Koestler, Arthur. Arrow in the Blue: An Autobiography. London: Collins, 1952.

MLA (8th ed.) Citation

Koestler, Arthur. Arrow in the Blue: An Autobiography. Collins, 1952.

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