APA (7th ed.) Citation

Christodulu, D. C. (2000). The action principle and partial differential equations. Princeton Univ. Press.

Chicago Style (17th ed.) Citation

Christodulu, Dēmētrēs Ch. The Action Principle and Partial Differential Equations. Princeton, NJ: Princeton Univ. Press, 2000.

MLA (9th ed.) Citation

Christodulu, Dēmētrēs Ch. The Action Principle and Partial Differential Equations. Princeton Univ. Press, 2000.