Παραπομπή σε μορφή APA (7η εκδ.)

Unguru, S. (1991). Physics, cosmology and astronomy 1300-1700: Tension and accomodation. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Unguru, Sabetai. Physics, Cosmology and Astronomy 1300-1700: Tension and Accomodation. Dordrecht: Kluwer Academic Publishers, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Unguru, Sabetai. Physics, Cosmology and Astronomy 1300-1700: Tension and Accomodation. Kluwer Academic Publishers, 1991.