Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Porter, C. R., & Wolff, E. M. (2015). Prostate Ultrasound: Current Practice and Future Directions. Springer New York : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Christopher R. Porter, και Erika M. Wolff. Prostate Ultrasound: Current Practice and Future Directions. New York, NY: Springer New York : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Prostate Ultrasound: Current Practice and Future Directions. Springer New York : Imprint: Springer, 2015.