Citazione APA

Betts, E. A., & Welch, C. M. (1963). The ABC up the street and down (Teacher's edition, annotated and keyed.). American Book Co..

Stile di citazione Chicago

Betts, Emmett A., e Carolyn M. Welch. The ABC Up the Street and Down. Teacher's edition, annotated and keyed. New York: American Book Co., 1963.

Citazione MLA

Betts, Emmett A., e Carolyn M. Welch. The ABC Up the Street and Down. Teacher's edition, annotated and keyed. American Book Co., 1963.