APA-Zitierstil (7. Ausg.)

Koestler, A. (1954). The invisible writing: Being the second volume of Arrow in the blue ; an autobiography. Collins [u.a.].

Chicago-Zitierstil (17. Ausg.)

Koestler, Arthur. The Invisible Writing: Being the Second Volume of Arrow in the Blue ; an Autobiography. London: Collins [u.a.], 1954.

MLA-Zitierstil (9. Ausg.)

Koestler, Arthur. The Invisible Writing: Being the Second Volume of Arrow in the Blue ; an Autobiography. Collins [u.a.], 1954.