APA (7th ed.) Citation

(1985). Romantic duets by Brahms, Dvorak, Foster ... [et.al.]. G. Schirmer.

Chicago Style (17th ed.) Citation

Romantic Duets by Brahms, Dvorak, Foster ... [et.al.]. New York: G. Schirmer, 1985.

MLA (9th ed.) Citation

Romantic Duets by Brahms, Dvorak, Foster ... [et.al.]. G. Schirmer, 1985.