APA (7. basım) Alıntı

Heym, S. (1969). Uncertain friend: A biographical novel (1. publ.). Cassell.

Chicago Style (17. basım) Atıf

Heym, Stefan. Uncertain Friend: A Biographical Novel. 1. publ. London: Cassell, 1969.

MLA (8th ed.) Atıf

Heym, Stefan. Uncertain Friend: A Biographical Novel. 1. publ. Cassell, 1969.