Mercier, A. (1963). Variational principles of physics. Dover.
Cita Chicago Style (17a ed.)Mercier, André. Variational Principles of Physics. New York: Dover, 1963.
Cita MLA (8a ed.)Mercier, André. Variational Principles of Physics. Dover, 1963.
Precaución: Estas citas no son 100% exactas.