Citazione APA

Metcalfe, H. C., Williams, J. E., & Castka, J. F. (1970). Modern chemistry (Teacher's ed.). Holt, Rinehart and Winston.

Stile di citazione Chicago

Metcalfe, H. Clark, John E. Williams, e Joseph F. Castka. Modern Chemistry. Teacher's ed. New York: Holt, Rinehart and Winston, 1970.

Citazione MLA

Metcalfe, H. Clark, et al. Modern Chemistry. Teacher's ed. Holt, Rinehart and Winston, 1970.