Berendzen, R., Hart, R. C., & Seeley, D. (1976). Man discovers the galaxies. Science History Publications, a division of Neale Watson Academic Publications, Inc..
Citazione stile Chigago Style (17a edizione)Berendzen, Richard, Richard Cullen Hart, e Daniel Seeley. Man Discovers the Galaxies. New York: Science History Publications, a division of Neale Watson Academic Publications, Inc., 1976.
Citatione MLA (9a ed.)Berendzen, Richard, et al. Man Discovers the Galaxies. Science History Publications, a division of Neale Watson Academic Publications, Inc., 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.