APA (7th ed.) Citation

Weeks, D. (1951). Birth of a solar system: A pure science study of origins .. Christopher Pub. House.

Chicago Style (17th ed.) Citation

Weeks, Dale. Birth of a Solar System: A Pure Science Study of Origins .. Boston: Christopher Pub. House, 1951.

MLA (9th ed.) Citation

Weeks, Dale. Birth of a Solar System: A Pure Science Study of Origins .. Christopher Pub. House, 1951.