APA   Click to copy
Belous, C. K., & Kingzette, A. (2022). Kauppi, M. (2021). Polyamory: A clinical toolkit for therapists (and their clients). Rowman & Littlefield Publishers. ISBN: 978‐1538129890. Journal of Marital and Family Therapy.

Chicago/Turabian   Click to copy
Belous, Christopher K., and Alexia Kingzette. “Kauppi, M. (2021). Polyamory: A Clinical Toolkit for Therapists (and Their Clients). Rowman &Amp; Littlefield Publishers. ISBN: 978‐1538129890.” Journal of Marital and Family Therapy (2022).

MLA   Click to copy
Belous, Christopher K., and Alexia Kingzette. “Kauppi, M. (2021). Polyamory: A Clinical Toolkit for Therapists (and Their Clients). Rowman &Amp; Littlefield Publishers. ISBN: 978‐1538129890.” Journal of Marital and Family Therapy, 2022.

@article{christopher2022a,
  title = {Kauppi, M. (2021). Polyamory: A clinical toolkit for therapists (and their clients). Rowman & Littlefield Publishers. ISBN: 978‐1538129890},
  year = {2022},
  journal = {Journal of Marital and Family Therapy},
  author = {Belous, Christopher K. and Kingzette, Alexia}
}