Cita APA (7a ed.)

Cheong, F. (1996). Internet agents: Spiders, wanderers, brokers and bots. [S.n.].

Cita Chicago Style (17a ed.)

Cheong, Fah-Chun. Internet Agents: Spiders, Wanderers, Brokers and Bots. Indianapolis: [S.n.], 1996.

Cita MLA (9a ed.)

Cheong, Fah-Chun. Internet Agents: Spiders, Wanderers, Brokers and Bots. [S.n.], 1996.