Citazione APA

Burrows, A. T., Stauffer, R. G., & Vazquez, E. H. (1960). American English (Teachers ed.). J.C. Winston.

Stile di citazione Chicago

Burrows, Alvina Treut, Russell G. Stauffer, e Elizabeth Hamblen Vazquez. American English. Teachers ed. New York: J.C. Winston, 1960.

Citazione MLA

Burrows, Alvina Treut, et al. American English. Teachers ed. J.C. Winston, 1960.