APA (7th ed.) Citation

Carle, E. (1972). The secret birthday message. HarperCollins.

Chicago Style (17th ed.) Citation

Carle, Eric. The Secret Birthday Message. [New York]: HarperCollins, 1972.

MLA (9th ed.) Citation

Carle, Eric. The Secret Birthday Message. HarperCollins, 1972.

Warning: These citations may not always be 100% accurate.