APA (7th ed.) Citation

Diller, A. (1921). First theory book. G. Schirmer.

Chicago Style (17th ed.) Citation

Diller, Angela. First Theory Book. New York: G. Schirmer, 1921.

MLA (9th ed.) Citation

Diller, Angela. First Theory Book. G. Schirmer, 1921.

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