APA (7th ed.) Citation

Boynton, S. (1995). Blue hat, green hat (Newly rev. ed.). Little Simon Books.

Chicago Style (17th ed.) Citation

Boynton, Sandra. Blue Hat, Green Hat. Newly rev. ed. New York: Little Simon Books, 1995.

MLA (9th ed.) Citation

Boynton, Sandra. Blue Hat, Green Hat. Newly rev. ed. Little Simon Books, 1995.