Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Widhalm, K., & Prager, G. (2015). Morbid Obesity in Adolescents: Conservative Treatment and Surgical Approaches. Springer Vienna : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Kurt Widhalm, και Gerhard Prager. Morbid Obesity in Adolescents: Conservative Treatment and Surgical Approaches. Vienna: Springer Vienna : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Morbid Obesity in Adolescents: Conservative Treatment and Surgical Approaches. Springer Vienna : Imprint: Springer, 2015.