APA (7th ed.) Citation

Harder, P. O. (1974). Harmonic Materials in Tonal Music part 2 A Programed Course. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Harder, Paul O. Harmonic Materials in Tonal Music Part 2 A Programed Course. Allyn and Bacon, 1974.

MLA (8th ed.) Citation

Harder, Paul O. Harmonic Materials in Tonal Music Part 2 A Programed Course. Allyn and Bacon, 1974.

Warning: These citations may not always be 100% accurate.