APA (7th ed.) Citation

Kostka, S. (1989). Tonal harmony with an introduction to twentieth-century music (2nd ed.). Knopf.

Chicago Style (17th ed.) Citation

Kostka, Stefan. Tonal Harmony with an Introduction to Twentieth-century Music. 2nd ed. NewYork: Knopf, 1989.

MLA (9th ed.) Citation

Kostka, Stefan. Tonal Harmony with an Introduction to Twentieth-century Music. 2nd ed. Knopf, 1989.