APA (7th ed.) Citation

Girard, J. P., & Girard, J. L. (2011). Social knowledge: Using social media to know what you know. Information Science Reference.

Chicago Style (17th ed.) Citation

Girard, John P., and JoAnn L. Girard. Social Knowledge: Using Social Media to Know What You Know. Hershey ; New York: Information Science Reference, 2011.

MLA (9th ed.) Citation

Girard, John P., and JoAnn L. Girard. Social Knowledge: Using Social Media to Know What You Know. Information Science Reference, 2011.