APA (7th ed.) Citation

Beer,Gunter, & Buchberger, S. (2010). Web design index by content .05. The Pepin Press.

Chicago Style (17th ed.) Citation

Beer,Gunter, and Sigurd Buchberger. Web Design Index by Content .05. Amsterdanm: The Pepin Press, 2010.

MLA (9th ed.) Citation

Beer,Gunter, and Sigurd Buchberger. Web Design Index by Content .05. The Pepin Press, 2010.

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