APA (7th ed.) Citation

Troutman, J. L. Variational Calculus with Elementary Convexity. Springer International Publishing.

Chicago Style (17th ed.) Citation

Troutman, John L. Variational Calculus with Elementary Convexity. Cham: Springer International Publishing.

MLA (8th ed.) Citation

Troutman, John L. Variational Calculus with Elementary Convexity. Springer International Publishing.

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