APA (7th ed.) Citation

Gay, J., Gay, J., Gay, J., Ramsay, A., & Milton, J. (1777). Bell's British theatre: Consisting of the most esteemed English plays. Bell.

Chicago Style (17th ed.) Citation

Gay, John, John Gay, John Gay, Allan Ramsay, and John Milton. Bell's British Theatre: Consisting of the Most Esteemed English Plays. London: Bell, 1777.

MLA (9th ed.) Citation

Gay, John, et al. Bell's British Theatre: Consisting of the Most Esteemed English Plays. Bell, 1777.