Jefferson, S., & Tanton, S. (2015). Valuable content marketing: How to make quality content your key to success (2. ed.). Kogan Page.
Chicago Style (17th ed.) CitationJefferson, Sonja, and Sharon Tanton. Valuable Content Marketing: How to Make Quality Content Your Key to Success. 2. ed. London [u.a.]: Kogan Page, 2015.
MLA (9th ed.) CitationJefferson, Sonja, and Sharon Tanton. Valuable Content Marketing: How to Make Quality Content Your Key to Success. 2. ed. Kogan Page, 2015.
Warning: These citations may not always be 100% accurate.