Cita APA (7th ed.)

Bergsma, W. L. (1946). First string quartet. G. Schirmer.

Cita Chicago (17th ed.)

Bergsma, William Laurence. First String Quartet. New York: G. Schirmer, 1946.

Cita MLA (9th ed.)

Bergsma, William Laurence. First String Quartet. G. Schirmer, 1946.