APA (7th ed.) Citation

Gershwin, G., Hála, J., & Burkh, D. (1975). Rhapsody in blue. Opus.

Chicago Style (17th ed.) Citation

Gershwin, George, Josef Hála, and Dennis Burkh. Rhapsody in Blue. Bratislava: Opus, 1975.

MLA (9th ed.) Citation

Gershwin, George, et al. Rhapsody in Blue. Opus, 1975.