Cita APA (7th ed.)

Haering, H. (1941). Ludwig Friedrich Heyd: Hermann Haering. Kohlhammer.

Cita Chicago (17th ed.)

Haering, Hermann. Ludwig Friedrich Heyd: Hermann Haering. Stuttgart: Kohlhammer, 1941.

Cita MLA (8th ed.)

Haering, Hermann. Ludwig Friedrich Heyd: Hermann Haering. Kohlhammer, 1941.