APA

Ruark A. E., Urey H. C., . (19). Atoms, molecules and quanta. New York: Dover Publ.

Chicago

Ruark Arthur Edward, Urey Harold Clayton, . 19. Atoms, molecules and quanta. New York: Dover Publ.

Harvard

Ruark A. E., Urey H. C., . (19). Atoms, molecules and quanta. New York: Dover Publ.

MLA

Ruark Arthur Edward, Urey Harold Clayton, . Atoms, molecules and quanta. New York: Dover Publ. 19.