APA način citiranja (7. izdanje)

Spinelli, E., & Valério, G. (2006). When you are happy. Simon & Schuster Books for Young Readers.

Čikaški stil citiranja (17. izdanje)

Spinelli, Eileen, i Geraldo Valério. When You Are Happy. New York: Simon & Schuster Books for Young Readers, 2006.

MLA način citiranja (8. izdanje)

Spinelli, Eileen, i Geraldo Valério. When You Are Happy. Simon & Schuster Books for Young Readers, 2006.