Cita APA (7a ed.)

Wood, D., & Kua, K. S. (1999). Programming internet email (First edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Wood, Dave, y Kia Soong Kua. Programming Internet Email. First edition. Beijing: O'Reilly, 1999.

Cita MLA (9a ed.)

Wood, Dave, y Kia Soong Kua. Programming Internet Email. First edition. O'Reilly, 1999.