Citazione APA

Ayer, J. Y., Petersham, M., & Petersham, M. (1935). The easy book: First lessons in reading. The Macmillan Company.

Stile di citazione Chicago

Ayer, Jean Y., Maud Petersham, e Miska Petersham. The Easy Book: First Lessons in Reading. New York: The Macmillan Company, 1935.

Citazione MLA

Ayer, Jean Y., et al. The Easy Book: First Lessons in Reading. The Macmillan Company, 1935.