APA-referens

Petersen, C. C., & Brandt, C. (1988). Hubble Vision: Further adventures with the hubble space Telescope by (2nd edition.). Cambridge University Press.

Chicago-stil citat

Petersen, Carolyn Collins, och C.John Brandt. Hubble Vision: Further Adventures with the Hubble Space Telescope by. 2nd edition. Cambridge: Cambridge University Press, 1988.

MLA-referens

Petersen, Carolyn Collins, och C.John Brandt. Hubble Vision: Further Adventures with the Hubble Space Telescope by. 2nd edition. Cambridge University Press, 1988.