APA (7th ed.) Citation

Bok, B. F. 1. -. (1941). The milky way (3η έκδ.). Harvard University Press.

Chicago Style (17th ed.) Citation

Bok, Bart F. 1906 -. The Milky Way. 3η έκδ. Cambridge: Harvard University Press, 1941.

MLA (8th ed.) Citation

Bok, Bart F. 1906 -. The Milky Way. 3η έκδ. Harvard University Press, 1941.