The depths of the universe

MLA

Hale, George Ellery. The Depths of the Universe. New York: Scribner, 1924.

APA

Hale, G. Ellery. (1924). The depths of the universe. New York: Scribner.

Chicago

Hale, George Ellery, The Depths of the Universe. New York: Scribner, 1924.