Harmony & voice leading
MLA
Aldwell, Edward, Carl Schachter, and Allen Clayton Cadwallader. Harmony & Voice Leading. 4th ed. Boston, MA: Schirmer/Cengage Learning, 2011
APA, 7th edition
Aldwell, E., Schachter, C., & Cadwallader, A. Clayton. (2011). Harmony & voice leading. 4th ed. Boston, MA: Schirmer/Cengage Learning
Chicago, 17th edition
Aldwell, Edward., Carl Schachter, and Allen Clayton Cadwallader. Harmony & voice leading. 4th ed. Boston, MA: Schirmer/Cengage Learning, 2011