APA (7th ed.) Citation

Cass, J. (1956). Rudiments of music: A detailed study in music essentials. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Cass, Jeannette. Rudiments of Music: A Detailed Study in Music Essentials. New York: Appleton-Century-Crofts, 1956.

MLA (9th ed.) Citation

Cass, Jeannette. Rudiments of Music: A Detailed Study in Music Essentials. Appleton-Century-Crofts, 1956.