APA (7th ed.) Citation

Leitmann, G. (1981). The Calculus of Variations and Optimal Control: An Introduction. Springer US. https://doi.org/10.1007/978-1-4899-0333-4

Chicago Style (17th ed.) Citation

Leitmann, George. The Calculus of Variations and Optimal Control: An Introduction. Boston, MA: Springer US, 1981. https://doi.org/10.1007/978-1-4899-0333-4.

MLA (9th ed.) Citation

Leitmann, George. The Calculus of Variations and Optimal Control: An Introduction. Springer US, 1981. https://doi.org/10.1007/978-1-4899-0333-4.