APA (7th ed.) Citation

Rodgers, R., & Hammerstein, O. (1945). If I loved you. Williamson Music.

Chicago Style (17th ed.) Citation

Rodgers, Richard, and Oscar Hammerstein. If I Loved You. New York: Williamson Music, 1945.

MLA (9th ed.) Citation

Rodgers, Richard, and Oscar Hammerstein. If I Loved You. Williamson Music, 1945.