Workbook : harmony and voice leading
MLA
Aldwell, Edward, and Carl Schachter. Workbook: Harmony and Voice Leading. 3rd ed. United States: Thomson/Schirmer, 2003
APA, 7th edition
Aldwell, E., & Schachter, C. (2003). Workbook: harmony and voice leading. 3rd ed. United States: Thomson/Schirmer
Chicago, 17th edition
Aldwell, Edward., and Carl Schachter. Workbook: harmony and voice leading. 3rd ed. United States: Thomson/Schirmer, 2003