Cita APA (7a ed.)

Lamb, L., & Peek, J. (1995). Using e-mail effectively. O'Reilly.

Cita Chicago Style (17a ed.)

Lamb, Linda, y Jerry Peek. Using E-mail Effectively. Sebastopol, CA: O'Reilly, 1995.

Cita MLA (9a ed.)

Lamb, Linda, y Jerry Peek. Using E-mail Effectively. O'Reilly, 1995.