Cita APA (7a ed.)

Keyser, E. (1937). Danzigs Vergangenheit. A. W. Kafemann.

Cita Chicago Style (17a ed.)

Keyser, Erich. Danzigs Vergangenheit. Danzig: A. W. Kafemann, 1937.

Cita MLA (9a ed.)

Keyser, Erich. Danzigs Vergangenheit. A. W. Kafemann, 1937.