APA (7th ed.) Citation

Hubbard, L. R. (1990). Clear body, clear mind: The effective purification program. Bridge Publications.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. Clear Body, Clear Mind: The Effective Purification Program. Los Angeles, Calif.: Bridge Publications, 1990.

MLA (8th ed.) Citation

Hubbard, L. Ron. Clear Body, Clear Mind: The Effective Purification Program. Bridge Publications, 1990.