APA (7th ed.) Citation

Simpson, R., Simpson, R., & Simpson, R. (1990). String quartet no. 3. Hyperion.

Chicago Style (17th ed.) Citation

Simpson, Robert, Robert Simpson, and Robert Simpson. String Quartet No. 3. London: Hyperion, 1990.

MLA (9th ed.) Citation

Simpson, Robert, et al. String Quartet No. 3. Hyperion, 1990.