APA (7th ed.) Citation

Hugo, V., Pray, I. C., & Barbieri, S. (1866). Angelo, the tyrant of Padua: A drama in four acts. J.A. Gray & Green.

Chicago Style (17th ed.) Citation

Hugo, Victor, Isaac C. Pray, and Signor Barbieri. Angelo, the Tyrant of Padua: A Drama in Four Acts. New York: J.A. Gray & Green, 1866.

MLA (8th ed.) Citation

Hugo, Victor, et al. Angelo, the Tyrant of Padua: A Drama in Four Acts. J.A. Gray & Green, 1866.