Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Gibson, H. B., y Michael Heap. Hypnosis in Therapy. Hove [etc.]: Lawrence Erlbaum, 1991.

Cita MLA (9a ed.)

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