Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.