Cita APA (7a ed.)

Niles, R., & Dwight, J. (1996). CGI by example. [S.n.].

Cita Chicago Style (17a ed.)

Niles, Robert, y Jeffry Dwight. CGI by Example. Indianapolis: [S.n.], 1996.

Cita MLA (9a ed.)

Niles, Robert, y Jeffry Dwight. CGI by Example. [S.n.], 1996.