APA (7th ed.) Citation

Heelas, P., Seel, B., & Woodhead, L. (2005). The spiritual revolution: Why religion is giving way to spirituality. Blackwell.

Chicago Style (17th ed.) Citation

Heelas, Paul, Benjamin Seel, and Linda Woodhead. The Spiritual Revolution: Why Religion Is Giving Way to Spirituality. Malden, Massachusetts: Blackwell, 2005.

MLA (9th ed.) Citation

Heelas, Paul, et al. The Spiritual Revolution: Why Religion Is Giving Way to Spirituality. Blackwell, 2005.