APA (7th ed.) Citation

Friend, C., Caesar, I., & Breen, M. S. (1928). My blackbirds are bluebirds now: Fox-trot song. Leo Feist.

Chicago Style (17th ed.) Citation

Friend, Cliff, Irving Caesar, and May Singhi Breen. My Blackbirds Are Bluebirds Now: Fox-trot Song. New York: Leo Feist, 1928.

MLA (9th ed.) Citation

Friend, Cliff, et al. My Blackbirds Are Bluebirds Now: Fox-trot Song. Leo Feist, 1928.

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