Cita APA (7th ed.)

Hemenway, K., & Calishain, T. (2004). Spidering hacks. O'Reilly & Associates, Inc.

Cita Chicago (17th ed.)

Hemenway, Kevin, i Tara Calishain. Spidering Hacks. Sebastopol, California: O'Reilly & Associates, Inc, 2004.

Cita MLA (9th ed.)

Hemenway, Kevin, i Tara Calishain. Spidering Hacks. O'Reilly & Associates, Inc, 2004.