Cita APA (7a ed.)

Bryant, R. L., Griffiths, P., & Grossman, D. A. (2003). Exterior differential systems and Euler-Lagrange partial differential equations. University of Chicago Press.

Cita Chicago Style (17a ed.)

Bryant, Robert L., Phillip Griffiths, y Daniel Andrew Grossman. Exterior Differential Systems and Euler-Lagrange Partial Differential Equations. Chicago: University of Chicago Press, 2003.

Cita MLA (9a ed.)

Bryant, Robert L., et al. Exterior Differential Systems and Euler-Lagrange Partial Differential Equations. University of Chicago Press, 2003.