Cita APA (7th ed.)

Zoepf, L. (1940). Georg Burckhardt: Ludwig Zoepf. Kohlhammer.

Cita Chicago (17th ed.)

Zoepf, Ludwig. Georg Burckhardt: Ludwig Zoepf. Stuttgart: Kohlhammer, 1940.

Cita MLA (8th ed.)

Zoepf, Ludwig. Georg Burckhardt: Ludwig Zoepf. Kohlhammer, 1940.