Cita APA (7a ed.)

Roters, E., & Fritsch, E. (1972). Ernst Fritsch.

Cita Chicago Style (17a ed.)

Roters, Eberhard, y Ernst Fritsch. Ernst Fritsch. Berlin, 1972.

Cita MLA (8a ed.)

Roters, Eberhard, y Ernst Fritsch. Ernst Fritsch. 1972.