Weller, R., & Firnkes, M. (2015). Blog boosting: Content, marketing, design, SEO (2. Auflage.). Mitp Verlags.
Chicago Style (17th ed.) CitationWeller, Robert, and Michael Firnkes. Blog Boosting: Content, Marketing, Design, SEO. 2. Auflage. [Germany]: Mitp Verlags, 2015.
MLA (9th ed.) CitationWeller, Robert, and Michael Firnkes. Blog Boosting: Content, Marketing, Design, SEO. 2. Auflage. Mitp Verlags, 2015.
Warning: These citations may not always be 100% accurate.