Cita APA (7a ed.)

Mack, E. S., & Platt, J. (1998). HTML 4.0. Sybex.

Cita Chicago Style (17a ed.)

Mack, E. Stephen, y Janan Platt. HTML 4.0. San Francisco [etc.]: Sybex, 1998.

Cita MLA (9a ed.)

Mack, E. Stephen, y Janan Platt. HTML 4.0. Sybex, 1998.