APA

Lionni L., . (2003). Let's Play. New York: Alfred A. Knopf.

Chicago

Lionni Leo, . 2003. Let's Play. New York: Alfred A. Knopf.

Harvard

Lionni L., . (2003). Let's Play. New York: Alfred A. Knopf.

MLA

Lionni Leo, . Let's Play. New York: Alfred A. Knopf. 2003.