APA (7th ed.) Citation

Goodwin, J. E. (1993). E-mail 101. Project Gutenberg.

Chicago Style (17th ed.) Citation

Goodwin, John E. E-mail 101. Project Gutenberg, 1993.

MLA (9th ed.) Citation

Goodwin, John E. E-mail 101. Project Gutenberg, 1993.

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