APA (7th ed.) Citation

Rorem, N. (2008). 50 collected songs (Medium/low voice.). Boosey & Hawkes [u.a.].

Chicago Style (17th ed.) Citation

Rorem, Ned. 50 Collected Songs. Medium/low voice. New York, NY ; London: Boosey & Hawkes [u.a.], 2008.

MLA (9th ed.) Citation

Rorem, Ned. 50 Collected Songs. Medium/low voice. Boosey & Hawkes [u.a.], 2008.

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