(2015). Where's Walrus?: And Penguin? (First edition.). Scholastic Press.
Chicago Style (17th ed.) CitationWhere's Walrus?: And Penguin? First edition. New York: Scholastic Press, 2015.
MLA引文Where's Walrus?: And Penguin? First edition. Scholastic Press, 2015.
警告:這些引文格式不一定是100%准確.