Friend, C., Caesar, I., & Breen, M. S. (1928). My blackbirds are bluebirds now: Fox-trot song. Leo Feist.
Chicago Style (17th ed.) CitationFriend, Cliff, Irving Caesar, and May Singhi Breen. My Blackbirds Are Bluebirds Now: Fox-trot Song. New York: Leo Feist, 1928.
MLA (9th ed.) CitationFriend, Cliff, et al. My Blackbirds Are Bluebirds Now: Fox-trot Song. Leo Feist, 1928.
Warning: These citations may not always be 100% accurate.