APA-Zitierstil (7. Ausg.)

Clay, B. (2012). Search engine optimization all-in-one for dummies (2nd ed.). John Wiley & Sons.

Chicago-Zitierstil (17. Ausg.)

Clay, Bruce. Search Engine Optimization All-in-one for Dummies. 2nd ed. Hoboken, N.J: John Wiley & Sons, 2012.

MLA-Zitierstil (9. Ausg.)

Clay, Bruce. Search Engine Optimization All-in-one for Dummies. 2nd ed. John Wiley & Sons, 2012.