APA (7th ed.) Citation

Lloyd Webber, A., & Black, D. (1993). Sunset Boulevard (Vocal selections.). Really Useful Group.

Chicago Style (17th ed.) Citation

Lloyd Webber, Andrew, and Don Black. Sunset Boulevard. Vocal selections. London: Really Useful Group, 1993.

MLA (9th ed.) Citation

Lloyd Webber, Andrew, and Don Black. Sunset Boulevard. Vocal selections. Really Useful Group, 1993.

Warning: These citations may not always be 100% accurate.