APA (7th ed.) Citation

Osteen, J. (2011). Every day a Friday: How to be happier 7 days a week. FaithWords.

Chicago Style (17th ed.) Citation

Osteen, Joel. Every Day a Friday: How to Be Happier 7 Days a Week. New York: FaithWords, 2011.

MLA (8th ed.) Citation

Osteen, Joel. Every Day a Friday: How to Be Happier 7 Days a Week. FaithWords, 2011.

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