Cita APA (7a ed.)

Harden, M. (1910). Köpfe. Erich Reiss.

Cita Chicago Style (17a ed.)

Harden, Maximilian. Köpfe. Berlin: Erich Reiss, 1910.

Cita MLA (9a ed.)

Harden, Maximilian. Köpfe. Erich Reiss, 1910.