APA (7th ed.) Citation

Rovin, J. (1985). The encyclopedia of superheroes. Facts on File.

Chicago Style (17th ed.) Citation

Rovin, Jeff. The Encyclopedia of Superheroes. New York, NY ; Oxford, England: Facts on File, 1985.

MLA (9th ed.) Citation

Rovin, Jeff. The Encyclopedia of Superheroes. Facts on File, 1985.