Osterbrock, D. E. (1984). James E. Keeler, pioneer American astrophysicist, and the early development of American astrophysics. Cambridge University Press.
Chicago Style (17th ed.) CitationOsterbrock, Donald E. James E. Keeler, Pioneer American Astrophysicist, and the Early Development of American Astrophysics. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1984.
MLA (9th ed.) CitationOsterbrock, Donald E. James E. Keeler, Pioneer American Astrophysicist, and the Early Development of American Astrophysics. Cambridge University Press, 1984.
Warning: These citations may not always be 100% accurate.