Citazione APA

Sierra, J., & Bowers, T. (2012). Suppose you meet a dinosaur: A first book of manners. Alfred A. Knopf.

Stile di citazione Chicago

Sierra, Judy, e Tim Bowers. Suppose You Meet a Dinosaur: A First Book of Manners. New York: Alfred A. Knopf, 2012.

Citazione MLA

Sierra, Judy, e Tim Bowers. Suppose You Meet a Dinosaur: A First Book of Manners. Alfred A. Knopf, 2012.