APA (7th ed.) Citation

Ruark, A. E., & Urey, H. C. (1930). Atoms, molecules, and quanta. McGraw-Hill.

Chicago Style (17th ed.) Citation

Ruark, Arthur Edward, and Harold Clayton Urey. Atoms, Molecules, and Quanta. New York [etc.]: McGraw-Hill, 1930.

MLA (9th ed.) Citation

Ruark, Arthur Edward, and Harold Clayton Urey. Atoms, Molecules, and Quanta. McGraw-Hill, 1930.