Citazione APA

Coleman, W. H., Donovan, H. L., Frasier, G. W., & Stoddard, A. J. (1931). Learning to spell. Hall & McCreary Company.

Stile di citazione Chicago

Coleman, William Henry, Herman Lee Donovan, George Willard Frasier, e Alexander J. Stoddard. Learning to Spell. Chicago: Hall & McCreary Company, 1931.

Citazione MLA

Coleman, William Henry, et al. Learning to Spell. Hall & McCreary Company, 1931.