Cita APA (7a ed.)

Heap, M. (2012). Hypnotherapy: A handbook (2nd ed.). McGraw-Hill : Open University Press.

Cita Chicago Style (17a ed.)

Heap, Michael. Hypnotherapy: A Handbook. 2nd ed. Maidenhead, England ; New York: McGraw-Hill : Open University Press, 2012.

Cita MLA (9a ed.)

Heap, Michael. Hypnotherapy: A Handbook. 2nd ed. McGraw-Hill : Open University Press, 2012.