APA (7th ed.) Citation

Simon, L. (2011). Geek girls unite: How fangirls, bookworms, indie chicks, and other misfits are taking over the world. It Books.

Chicago Style (17th ed.) Citation

Simon, Leslie. Geek Girls Unite: How Fangirls, Bookworms, Indie Chicks, and Other Misfits Are Taking over the World. New York: It Books, 2011.

MLA (8th ed.) Citation

Simon, Leslie. Geek Girls Unite: How Fangirls, Bookworms, Indie Chicks, and Other Misfits Are Taking over the World. It Books, 2011.

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