MLA

Kozlowska, et al. Functional Somatic Symptoms In Children and Adolescents. Springer International Publishing, 2020.

APA

Kozlowska, K., Chrousos, G. P, Helgeland, H., & Scher, S. (2020). Functional Somatic Symptoms in Children and Adolescents. Springer International Publishing.

Chicago

Kozlowska, George P Chrousos, Helene Helgeland, and Stephen Scher. Functional Somatic Symptoms In Children and Adolescents. : Springer International Publishing, 2020.