APA-Zitierstil (7. Ausg.)

Apel, W. (1949). The notation of polyphonic music: 900 - 1600 (4. ed., rev. and with. comm.). Mediaeval Acad. of America.

Chicago-Zitierstil (17. Ausg.)

Apel, Willi. The Notation of Polyphonic Music: 900 - 1600. 4. ed., rev. and with. comm. Cambridge, Mass: Mediaeval Acad. of America, 1949.

MLA-Zitierstil (9. Ausg.)

Apel, Willi. The Notation of Polyphonic Music: 900 - 1600. 4. ed., rev. and with. comm. Mediaeval Acad. of America, 1949.