(2015). Where's Walrus?: And Penguin? (First edition.). Scholastic Press.
Style de citation Chicago (17e éd.)Where's Walrus?: And Penguin? First edition. New York: Scholastic Press, 2015.
Style de citation MLA (8e éd.)Where's Walrus?: And Penguin? First edition. Scholastic Press, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.