APA (7th ed.) Citation

Rosenberg, R. S., & Coogan, P. (2013). What is a superhero? Oxford University Press.

Chicago Style (17th ed.) Citation

Rosenberg, Robin S., and Peter Coogan. What Is a Superhero? Oxford [u.a.]: Oxford University Press, 2013.

MLA (9th ed.) Citation

Rosenberg, Robin S., and Peter Coogan. What Is a Superhero? Oxford University Press, 2013.

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