Cita APA (7th ed.)

Hamilton, I. (1982). Koestler: A biography / Iain Hamilton. Macmillan.

Cita Chicago (17th ed.)

Hamilton, Iain. Koestler: A Biography / Iain Hamilton. New York: Macmillan, 1982.

Cita MLA (8th ed.)

Hamilton, Iain. Koestler: A Biography / Iain Hamilton. Macmillan, 1982.