APA (7th ed.) Citation

Bok, B. J., & Bok, P. F. (1941). The Milky way. The Blakiston company.

Chicago Style (17th ed.) Citation

Bok, Bart J., and Priscilla Fairfield Bok. The Milky Way. Philadelphia: The Blakiston company, 1941.

MLA (9th ed.) Citation

Bok, Bart J., and Priscilla Fairfield Bok. The Milky Way. The Blakiston company, 1941.