APA (7th ed.) Citation

Gottlob, G., & Koch, C. (2003). A Formal Comparison of Visual Web Wrapper Generators.

Chicago Style (17th ed.) Citation

Gottlob, G., and C. Koch. A Formal Comparison of Visual Web Wrapper Generators. 2003.

MLA (9th ed.) Citation

Gottlob, G., and C. Koch. A Formal Comparison of Visual Web Wrapper Generators. 2003.

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