APA (7th ed.) Citation

Peek, J. D. (1992). MH & xmh: E-mail for users and programmers (2. ed., minor corr.). O'Reilly.

Chicago Style (17th ed.) Citation

Peek, Jerry D. MH & Xmh: E-mail for Users and Programmers. 2. ed., minor corr. Sebastopol, Calif: O'Reilly, 1992.

MLA (9th ed.) Citation

Peek, Jerry D. MH & Xmh: E-mail for Users and Programmers. 2. ed., minor corr. O'Reilly, 1992.