Cita APA (7th ed.)

Cain, N., Carter, R. B., Ibbottson, G., & Wathal, A. G. (1923). Once in a blue moon: A musical romance in prologue and three acts. Fitzsimons.

Cita Chicago (17th ed.)

Cain, Noble, Randolph B. Carter, Gordon Ibbottson, i Alfred G. Wathal. Once in a Blue Moon: A Musical Romance in Prologue and Three Acts. Chicago: Fitzsimons, 1923.

Cita MLA (9th ed.)

Cain, Noble, et al. Once in a Blue Moon: A Musical Romance in Prologue and Three Acts. Fitzsimons, 1923.