APA (7th ed.) Citation

Aldwell, E., Schachter, C., & Cadwallader, A. Harmony and voice leading (Fifth edition.).

Chicago Style (17th ed.) Citation

Aldwell, Edward, Carl Schachter, and Allen Cadwallader. Harmony and Voice Leading. Fifth edition.

MLA (9th ed.) Citation

Aldwell, Edward, et al. Harmony and Voice Leading. Fifth edition.