APA (7th ed.) Citation

Jenkins, S. (2012). Tumblr for dummies (Portable ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Jenkins, Sue. Tumblr for Dummies. Portable ed. Hoboken, NJ: John Wiley & Sons, 2012.

MLA (9th ed.) Citation

Jenkins, Sue. Tumblr for Dummies. Portable ed. John Wiley & Sons, 2012.

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