APA (7th ed.) Citation

Robertson, Altom, & Simply Written, I. (1999). Hands on HTML. Tech Publ.

Chicago Style (17th ed.) Citation

Robertson, Altom, and Inc Simply Written. Hands on HTML. Singapore: Tech Publ, 1999.

MLA (8th ed.) Citation

Robertson, et al. Hands on HTML. Tech Publ, 1999.