APA (7th ed.) Citation

Cooper, D. A. (1992). The heart of stillness: The lements of spiritual practice. Bell Tower.

Chicago Style (17th ed.) Citation

Cooper, D. A. The Heart of Stillness: The Lements of Spiritual Practice. New York: Bell Tower, 1992.

MLA (9th ed.) Citation

Cooper, D. A. The Heart of Stillness: The Lements of Spiritual Practice. Bell Tower, 1992.