Cita APA (7a ed.)

Haffner, S., & Pretzel, O. (2003). Defying Hitler: A memoir (Paperback ed.). Phoenix.

Cita Chicago Style (17a ed.)

Haffner, Sebastian, y Oliver Pretzel. Defying Hitler: A Memoir. Paperback ed. London: Phoenix, 2003.

Cita MLA (9a ed.)

Haffner, Sebastian, y Oliver Pretzel. Defying Hitler: A Memoir. Paperback ed. Phoenix, 2003.