Holst, H., Kramers, H. A., Lindsay, R. B., & Lindsay, R. T. (1924). The atom and the Bohr theory of its structure: An elementary presentation. Knopf.
Chicago Style (17th ed.) CitationHolst, Helge, H. A. Kramers, R. B. Lindsay, and Rachel T. Lindsay. The Atom and the Bohr Theory of Its Structure: An Elementary Presentation. New York: Knopf, 1924.
MLA (9th ed.) CitationHolst, Helge, et al. The Atom and the Bohr Theory of Its Structure: An Elementary Presentation. Knopf, 1924.
Warning: These citations may not always be 100% accurate.