APA (7th ed.) Citation

Johnson, C. (1955). Harold and the purple crayon. Harper & Row.

Chicago Style (17th ed.) Citation

Johnson, Crockett. Harold and the Purple Crayon. New York: Harper & Row, 1955.

MLA (9th ed.) Citation

Johnson, Crockett. Harold and the Purple Crayon. Harper & Row, 1955.

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