Cita APA (7a ed.)
Beer, G., & Roojen, P. v. Web Design Index. Pepin : Agile Rabbit.
Cita estilo Chicago (17a ed.)
Beer, Günter, y Pepin van Roojen. Web Design Index. Amsterdam, Holanda: Pepin : Agile Rabbit.
Cita MLA (9a ed.)
Beer, Günter, y Pepin van Roojen. Web Design Index. Pepin : Agile Rabbit.
警告：這些引文格式不一定是100％准確.