APA (7th ed.) Citation

Blume, J. (1987). Letters to Judy: What kids wish they could tell you. Pocket Books.

Chicago Style (17th ed.) Citation

Blume, Judy. Letters to Judy: What Kids Wish They Could Tell You. New York: Pocket Books, 1987.

MLA (9th ed.) Citation

Blume, Judy. Letters to Judy: What Kids Wish They Could Tell You. Pocket Books, 1987.

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