APA (7th ed.) Citation

Demkov, I. N. (1963). Variational principles in the theory of collisions. Macmillan.

Chicago Style (17th ed.) Citation

Demkov, IUrii Nikolaevich. Variational Principles in the Theory of Collisions. New York: Macmillan, 1963.

MLA (8th ed.) Citation

Demkov, IUrii Nikolaevich. Variational Principles in the Theory of Collisions. Macmillan, 1963.

Warning: These citations may not always be 100% accurate.