APA (7th ed.) Citation

Carathéodory, C. Calculus of variations and partial differential equations of the first order (2. print.). Holden-Day.

Chicago Style (17th ed.) Citation

Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. 2. print. San Francisco: Holden-Day.

MLA (9th ed.) Citation

Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. 2. print. Holden-Day.

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