APA (7th ed.) Citation

Hartman, B. J. (1980). A system of hypnotherapy. Nelson-Hall.

Chicago Style (17th ed.) Citation

Hartman, B. J. A System of Hypnotherapy. Chicago, Ill.: Nelson-Hall, 1980.

MLA (9th ed.) Citation

Hartman, B. J. A System of Hypnotherapy. Nelson-Hall, 1980.