APA (7th ed.) Citation

Martyn, W., & Wood, A. (1997). I can't believe it's an unofficial Simpsons guide (1. publ.). Virgin.

Chicago Style (17th ed.) Citation

Martyn, Warren, and Adrian Wood. I Can't Believe It's an Unofficial Simpsons Guide. 1. publ. London: Virgin, 1997.

MLA (9th ed.) Citation

Martyn, Warren, and Adrian Wood. I Can't Believe It's an Unofficial Simpsons Guide. 1. publ. Virgin, 1997.