APA (7th ed.) Citation

METCALFE, H. C., WILLIAM, J. E., & CASTKA, J. F. Modern chemistry. Holt.

Chicago Style (17th ed.) Citation

METCALFE, H. Clark, John E. WILLIAM, and Joseph F. CASTKA. Modern Chemistry. New York: Holt.

MLA (9th ed.) Citation

METCALFE, H. Clark, et al. Modern Chemistry. Holt.