APA (7th ed.) Citation

O'Hara, H. (2019). The ultimate superhero movie guide: The definitive handbook for comic book film fans. Carlton Books.

Chicago Style (17th ed.) Citation

O'Hara, Helen. The Ultimate Superhero Movie Guide: The Definitive Handbook for Comic Book Film Fans. London: Carlton Books, 2019.

MLA (9th ed.) Citation

O'Hara, Helen. The Ultimate Superhero Movie Guide: The Definitive Handbook for Comic Book Film Fans. Carlton Books, 2019.

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