APA (7th ed.) Citation

Contreras Alarcón, J. M. (1997). Internet: Telnet, FTP, correo electrónico, News, Gopher, World Wide Web. Paraninfo.

Chicago Style (17th ed.) Citation

Contreras Alarcón, José Manuel. Internet: Telnet, FTP, Correo Electrónico, News, Gopher, World Wide Web. Madrid: Paraninfo, 1997.

MLA (9th ed.) Citation

Contreras Alarcón, José Manuel. Internet: Telnet, FTP, Correo Electrónico, News, Gopher, World Wide Web. Paraninfo, 1997.

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