APA (7th ed.) Citation

Rodgers, R., & Hammerstein, O. (1995). Oklahoma. Delta Music.

Chicago Style (17th ed.) Citation

Rodgers, Richard, and Oscar Hammerstein. Oklahoma. Santa Monica, Calif: Delta Music, 1995.

MLA (9th ed.) Citation

Rodgers, Richard, and Oscar Hammerstein. Oklahoma. Delta Music, 1995.