APA (7th ed.) Citation

Kern, J., Hammerstein, O., Nagle, P., & Holcombe, B. J. (1927). Selections from Showboat. Musicians Publications.

Chicago Style (17th ed.) Citation

Kern, Jerome, Oscar Hammerstein, Paul Nagle, and Bill Jr Holcombe. Selections from Showboat. Chesapeake, Virginia: Musicians Publications, 1927.

MLA (9th ed.) Citation

Kern, Jerome, et al. Selections from Showboat. Musicians Publications, 1927.