APA (7th ed.) Citation

Webber, A. L., Hart, C., & Reed, M. (1987). The phantom of the opera. The Really Useful Group.

Chicago Style (17th ed.) Citation

Webber, Andrew Lloyd, Charles Hart, and Michael Reed. The Phantom of the Opera. [London]: The Really Useful Group, 1987.

MLA (9th ed.) Citation

Webber, Andrew Lloyd, et al. The Phantom of the Opera. The Really Useful Group, 1987.