APA (7th ed.) Citation

Chbosky, S. (2012). The Perks of Being a wallflower. Gallery Books.

Chicago Style (17th ed.) Citation

Chbosky, Stephen. The Perks of Being a Wallflower. New York: Gallery Books, 2012.

MLA (9th ed.) Citation

Chbosky, Stephen. The Perks of Being a Wallflower. Gallery Books, 2012.

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