Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Seshadri, N., & Eswar, C. (2017). PET/CT in Cancer of Unknown Primary. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Nagabhushan Seshadri, και Chinnamani Eswar. PET/CT in Cancer of Unknown Primary. Cham: Springer International Publishing : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. PET/CT in Cancer of Unknown Primary. Springer International Publishing : Imprint: Springer, 2017.