APA (7th ed.) Citation

Lent, C. P. (1948). Atom ([1st ed.].). Pen-Ink Pub. Co..

Chicago Style (17th ed.) Citation

Lent, Constantin Paul. Atom. [1st ed.]. New York: Pen-Ink Pub. Co., 1948.

MLA (9th ed.) Citation

Lent, Constantin Paul. Atom. [1st ed.]. Pen-Ink Pub. Co., 1948.