APA (7th ed.) Citation

DeVos, R. M. (2008). Ten powerful phrases for positive people. Center Street.

Chicago Style (17th ed.) Citation

DeVos, Richard M. Ten Powerful Phrases for Positive People. New York: Center Street, 2008.

MLA (9th ed.) Citation

DeVos, Richard M. Ten Powerful Phrases for Positive People. Center Street, 2008.