Cita APA

Heck, J. A., Savola, T. A., & Westenbroek, A. A. (1995). Using HTML.

Chicago Edition Citation

Heck, Joseph; Author, Tom; Author Savola, i Alan; Author Westenbroek. Using HTML. Indianapolis, Que Corporation, 1995.

Cita MLA

Heck, Joseph; Author, et al. Using HTML. 1995.