Cita APA (7a ed.)

Pitts, N., James, S. N., & Tittel, E. (1998). HTML style sheets design guide. Cariolis Group Books.

Cita Chicago Style (17a ed.)

Pitts, Natanya, Stephen N. James, y Ed Tittel. HTML Style Sheets Design Guide. Albany, N.Y: Cariolis Group Books, 1998.

Cita MLA (9a ed.)

Pitts, Natanya, et al. HTML Style Sheets Design Guide. Cariolis Group Books, 1998.