Παραπομπή APA

Koestler, A. (1952). Arrow in the blue: The first volume of an autobiography. Hutchinson.

Παραπομπή Chicago Style

Koestler, Arthur. Arrow in the Blue: The First Volume of an Autobiography. London: Hutchinson, 1952.

Παραπομπή MLA

Koestler, Arthur. Arrow in the Blue: The First Volume of an Autobiography. Hutchinson, 1952.