APA (7th ed.) Citation

(2010). A boy had a mother who bought him a hat. Harper / HarperCollins.

Chicago Style (17th ed.) Citation

A Boy Had a Mother Who Bought Him a Hat. New York: Harper / HarperCollins, 2010.

MLA (9th ed.) Citation

A Boy Had a Mother Who Bought Him a Hat. Harper / HarperCollins, 2010.

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