APA (7th ed.) Citation

CONTRERAS ALARCON, J. M. (1997). InternetTelnet, FTP, correo electrónico, News, Gopher, World Wide Web. Paraninfo.

Chicago Style (17th ed.) Citation

CONTRERAS ALARCON, Juan Manuel. InternetTelnet, FTP, Correo Electrónico, News, Gopher, World Wide Web. Madrid: Paraninfo, 1997.

MLA (9th ed.) Citation

CONTRERAS ALARCON, Juan Manuel. InternetTelnet, FTP, Correo Electrónico, News, Gopher, World Wide Web. Paraninfo, 1997.

Warning: These citations may not always be 100% accurate.