APA (7th ed.) Citation

Harder, P. O., & Steinke, G. A. (1998). Harmonic materials in tonal music: A programed course (8th ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Harder, Paul O., and Greg A. Steinke. Harmonic Materials in Tonal Music: A Programed Course. 8th ed. Boston: Allyn and Bacon, 1998.

MLA (9th ed.) Citation

Harder, Paul O., and Greg A. Steinke. Harmonic Materials in Tonal Music: A Programed Course. 8th ed. Allyn and Bacon, 1998.