Cita APA (7a ed.)

Gibson, H. B., & Heap, M. (1991). Hypnosis in therapy. Erlbaum.

Cita Chicago Style (17a ed.)

Gibson, H. B., y Michael Heap. Hypnosis in Therapy. Hove: Erlbaum, 1991.

Cita MLA (8a ed.)

Gibson, H. B., y Michael Heap. Hypnosis in Therapy. Erlbaum, 1991.