APA (7th ed.) Citation

Koestler, A., Hardy, D., & Viereck, P. (1961). Darkness at noon: By Arthur Koestler. Transl. by Daphne Hardy. With a Foreword by Peter Viereck (13. print.). The New American Library.

Chicago Style (17th ed.) Citation

Koestler, Arthur, Daphne Hardy, and Peter Viereck. Darkness at Noon: By Arthur Koestler. Transl. by Daphne Hardy. With a Foreword by Peter Viereck. 13. print. New York: The New American Library, 1961.

MLA (8th ed.) Citation

Koestler, Arthur, et al. Darkness at Noon: By Arthur Koestler. Transl. by Daphne Hardy. With a Foreword by Peter Viereck. 13. print. The New American Library, 1961.