Carle, E. (1972). The secret birthday message. HarperCollins.
Chicago Style (17th ed.) CitationCarle, Eric. The Secret Birthday Message. [New York]: HarperCollins, 1972.
MLA (9th ed.) CitationCarle, Eric. The Secret Birthday Message. HarperCollins, 1972.
Warning: These citations may not always be 100% accurate.