APA (7th ed.) Citation

Young, L. C. (1980). Lecture on the calculus of variations and optimal control theory (2nd edition.). AMS Chelsea Publishing.

Chicago Style (17th ed.) Citation

Young, L. C. Lecture on the Calculus of Variations and Optimal Control Theory. 2nd edition. New York: AMS Chelsea Publishing, 1980.

MLA (8th ed.) Citation

Young, L. C. Lecture on the Calculus of Variations and Optimal Control Theory. 2nd edition. AMS Chelsea Publishing, 1980.