Cita APA (7th ed.)

Heckmanns, F. W. (1978). Erich Buchholz. Wienand.

Cita Chicago (17th ed.)

Heckmanns, Friedrich Wilhelm. Erich Buchholz. Köln: Wienand, 1978.

Cita MLA (8th ed.)

Heckmanns, Friedrich Wilhelm. Erich Buchholz. Wienand, 1978.