APA (7th ed.) Citation

Ruark, A. E., & Urey, H. C. (1930). Atoms, molecules and quanta (1. ed., 12. impr.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Ruark, Arthur E., and Harold Clayton Urey. Atoms, Molecules and Quanta. 1. ed., 12. impr. New York [u.a.]: McGraw-Hill, 1930.

MLA (9th ed.) Citation

Ruark, Arthur E., and Harold Clayton Urey. Atoms, Molecules and Quanta. 1. ed., 12. impr. McGraw-Hill, 1930.