APA (7th ed.) Citation

Etting, R., Gilbert, L. W., & Baer, A. (1927). When you're with somebody else: Fox-trot song. L. Feist.

Chicago Style (17th ed.) Citation

Etting, Ruth, L. Wolfe Gilbert, and Abel Baer. When You're with Somebody Else: Fox-trot Song. New York: L. Feist, 1927.

MLA (9th ed.) Citation

Etting, Ruth, et al. When You're with Somebody Else: Fox-trot Song. L. Feist, 1927.