APA (7th ed.) Citation

Schrenk, M. (2007). Webbots, spiders, and screen scrapers: A guide to developing internet agents with PHP/CURL. No Starch Press, Inc.

Chicago Style (17th ed.) Citation

Schrenk, Michael. Webbots, Spiders, and Screen Scrapers: A Guide to Developing Internet Agents with PHP/CURL. San Francisco: No Starch Press, Inc, 2007.

MLA (9th ed.) Citation

Schrenk, Michael. Webbots, Spiders, and Screen Scrapers: A Guide to Developing Internet Agents with PHP/CURL. No Starch Press, Inc, 2007.