APA (7th ed.) Citation

Gackenbach, D. (1988). Harvey, the foolish pig. Clarion Books.

Chicago Style (17th ed.) Citation

Gackenbach, Dick. Harvey, the Foolish Pig. New York: Clarion Books, 1988.

MLA (9th ed.) Citation

Gackenbach, Dick. Harvey, the Foolish Pig. Clarion Books, 1988.

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