APA (7th ed.) Citation

Power, L., Oberlin, R., Bressler, C., & Myers, G. Ave regina coelorum.

Chicago Style (17th ed.) Citation

Power, Lionel, Russell Oberlin, Charles Bressler, and Gordon Myers. Ave Regina Coelorum.

MLA (9th ed.) Citation

Power, Lionel, et al. Ave Regina Coelorum.