Cita APA (7a ed.)

Hepp, J. (1938). Stammbuch Hepp. [Verf.].

Cita Chicago Style (17a ed.)

Hepp, Johannes. Stammbuch Hepp. Köln: [Verf.], 1938.

Cita MLA (8a ed.)

Hepp, Johannes. Stammbuch Hepp. [Verf.], 1938.