APA цитиране

Carathéodory, C. (1965). Calculus of variations and partial differential equations of the first order. San Francisco CA: Holden-Day.

Чикагска система за цитиране

Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. San Francisco CA: Holden-Day, 1965.

MLA формат за цитиране

Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. San Francisco CA: Holden-Day, 1965.

Внимание: Тези цитати може да не са 100% точни.