APA (7th ed.) Citation

(1987). Contributions to modern calculus of variations. Longmans Scientific & Technical.

Chicago Style (17th ed.) Citation

Contributions to Modern Calculus of Variations. New York: Longmans Scientific & Technical, 1987.

MLA (9th ed.) Citation

Contributions to Modern Calculus of Variations. Longmans Scientific & Technical, 1987.

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