Citazione APA

Seuss, D., Fancher, L., & Johnson, S. (1996). My many colored days. Knopf : Distributed by Random House.

Stile di citazione Chicago

Seuss, Dr, Lou Fancher, e Steve Johnson. My Many Colored Days. New York: Knopf : Distributed by Random House, 1996.

Citazione MLA

Seuss, Dr, et al. My Many Colored Days. Knopf : Distributed by Random House, 1996.