APA (7th ed.) Citation

Boyd, C. N., & Earhart, W. 1. . j. a. (1938). Elements of musical theory. G. Schirmer.

Chicago Style (17th ed.) Citation

Boyd, Charles Newell, and WIll 1871- joint author Earhart. Elements of Musical Theory. New York: G. Schirmer, 1938.

MLA (9th ed.) Citation

Boyd, Charles Newell, and WIll 1871- joint author Earhart. Elements of Musical Theory. G. Schirmer, 1938.