Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Tandon, R., Galor, A., Sangwan, V. S., & Ray, M. (2017). Peripheral Ulcerative Keratitis: A Comprehensive Guide. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Radhika Tandon, Anat Galor, Virender Singh Sangwan, και Manotosh Ray. Peripheral Ulcerative Keratitis: A Comprehensive Guide. Cham: Springer International Publishing : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Peripheral Ulcerative Keratitis: A Comprehensive Guide. Springer International Publishing : Imprint: Springer, 2017.