APA   Click to copy
Spencer, T., Call, T. A., & Hardy, N. (2019). Experiential Family Therapy. Encyclopedia of Couple and Family Therapy.

Chicago/Turabian   Click to copy
Spencer, T., Trenton A. Call, and N. Hardy. “Experiential Family Therapy.” Encyclopedia of Couple and Family Therapy (2019).

MLA   Click to copy
Spencer, T., et al. “Experiential Family Therapy.” Encyclopedia of Couple and Family Therapy, 2019.

@article{t2019a,
  title = {Experiential Family Therapy},
  year = {2019},
  journal = {Encyclopedia of Couple and Family Therapy},
  author = {Spencer, T. and Call, Trenton A. and Hardy, N.}
}