APA (7th ed.) Citation

Sondheim, S., Wray, P., & Grodsky, R. (1992). Assassins. [publisher not identified].

Chicago Style (17th ed.) Citation

Sondheim, Stephen, Phoebe Wray, and Roger Grodsky. Assassins. [Place of publication not identified]: [publisher not identified], 1992.

MLA (9th ed.) Citation

Sondheim, Stephen, et al. Assassins. [publisher not identified], 1992.