Citazione APA

Morrow, J., McLean, A. C., & Blaisdell, T. C. (1903). Steps in English: Book I-II. American Book Co..

Stile di citazione Chicago

Morrow, John, A. C. McLean, e Thomas C. Blaisdell. Steps in English: Book I-II. New York ; Cincinnati [etc.]: American Book Co., 1903.

Citazione MLA

Morrow, John, et al. Steps in English: Book I-II. American Book Co., 1903.