APA (7th ed.) Citation

Leon, . A., & Leon, . M. (1997). E- mail in a nutshell.

Chicago Style (17th ed.) Citation

Leon, Alexis, and Mathews Leon. E- Mail in a Nutshell. 1997.

MLA (9th ed.) Citation

Leon, Alexis, and Mathews Leon. E- Mail in a Nutshell. 1997.

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