Cita APA (7a ed.)

Beer, G. (2006). Web design index by content.02. The Pepin Press.

Cita Chicago Style (17a ed.)

Beer, Günter. Web Design Index by Content.02. Amsterdam: The Pepin Press, 2006.

Cita MLA (9a ed.)

Beer, Günter. Web Design Index by Content.02. The Pepin Press, 2006.