APA (7th ed.) Citation

Zobel, D. H. (2015). The science of TV's The big bang theory: Explanations even Penny would understand, the unauthorized guide. ECW Press.

Chicago Style (17th ed.) Citation

Zobel, Dave H. The Science of TV's The Big Bang Theory: Explanations Even Penny Would Understand, the Unauthorized Guide. Toronto: ECW Press, 2015.

MLA (9th ed.) Citation

Zobel, Dave H. The Science of TV's The Big Bang Theory: Explanations Even Penny Would Understand, the Unauthorized Guide. ECW Press, 2015.