APA (7th ed.) Citation

Klopstock, F. G., Collyer, J., & Collyer, M. (1788). The Messiah.

Chicago Style (17th ed.) Citation

Klopstock, Friedrich Gottlieb, Joseph Collyer, and Mary Collyer. The Messiah. 1788.

MLA (9th ed.) Citation

Klopstock, Friedrich Gottlieb, et al. The Messiah. 1788.