APA (7th ed.) Citation

Smith, B. E. (2011). Sams teach yourself tumblr in 10 minutes. SAMS.

Chicago Style (17th ed.) Citation

Smith, Bud E. Sams Teach Yourself Tumblr in 10 Minutes. Indianapolsi: SAMS, 2011.

MLA (8th ed.) Citation

Smith, Bud E. Sams Teach Yourself Tumblr in 10 Minutes. SAMS, 2011.

Warning: These citations may not always be 100% accurate.