Παραπομπή σε μορφή APA (7η εκδ.)

Block, D. L., & Freeman, K. C. (2008). Shrouds of the Night: Masks of the Milky Way and Our Awesome New View of Galaxies. Springer New York.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Block, David L., και Kenneth C. Freeman. Shrouds of the Night: Masks of the Milky Way and Our Awesome New View of Galaxies. New York, NY: Springer New York, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

Block, David L., και Kenneth C. Freeman. Shrouds of the Night: Masks of the Milky Way and Our Awesome New View of Galaxies. Springer New York, 2008.