Cita APA (7th ed.)

Engel, L. (1972). Words with music: The Broadway musical libretto. Schirmer.

Cita Chicago (17th ed.)

Engel, Lehman. Words with Music: The Broadway Musical Libretto. New York: Schirmer, 1972.

Cita MLA (8th ed.)

Engel, Lehman. Words with Music: The Broadway Musical Libretto. Schirmer, 1972.