APA (7th ed.) Citation

O'Grady, R. (2006). The threat of tourism: Challenge to the church. The Risk book series.

Chicago Style (17th ed.) Citation

O'Grady, Ron. "The Threat of Tourism: Challenge to the Church." The Risk Book Series 2006.

MLA (8th ed.) Citation

O'Grady, Ron. "The Threat of Tourism: Challenge to the Church." The Risk Book Series, 2006.