Cita APA (7th ed.)

Harz, F. (1977). Picking Jazzguitar. Ed. Metropol.

Cita Chicago (17th ed.)

Harz, Fred. Picking Jazzguitar. Köln: Ed. Metropol, 1977.

Cita MLA (8th ed.)

Harz, Fred. Picking Jazzguitar. Ed. Metropol, 1977.