Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Knuuttila, S., & Kärkkäinen, P. (2008). Theories of Perception in Medieval and Early Modern Philosophy. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Simo Knuuttila, και Pekka Kärkkäinen. Theories of Perception in Medieval and Early Modern Philosophy. Dordrecht: Springer Netherlands, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Theories of Perception in Medieval and Early Modern Philosophy. Springer Netherlands, 2008.