APA (7th ed.) Citation

Dvořák, A., Kraft, H., & Maschwitz, E. (1980). Summer song: A story of the new world. Prowse.

Chicago Style (17th ed.) Citation

Dvořák, Antonín, Hy Kraft, and Eric Maschwitz. Summer Song: A Story of the New World. London: Prowse, 1980.

MLA (9th ed.) Citation

Dvořák, Antonín, et al. Summer Song: A Story of the New World. Prowse, 1980.