APA (7th ed.) Citation

Bussler, L. (1890). Elements of notation and harmony. G.Schirmer.

Chicago Style (17th ed.) Citation

Bussler, Ludwig. Elements of Notation and Harmony. Nueva York: G.Schirmer, 1890.

MLA (9th ed.) Citation

Bussler, Ludwig. Elements of Notation and Harmony. G.Schirmer, 1890.