APA-Zitierstil (7. Ausg.)

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-Zitierstil (17. Ausg.)

Koestler, Arthur, Daphne Hardy, und 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-Zitierstil (8. Ausg.)

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.