Cita APA (7a ed.)

Mikhlin, S. G. 1., & Boddington, T. (1964). Variational methods in mathematical physics. Pergamon press.

Cita Chicago Style (17a ed.)

Mikhlin, Solomon Grigor'evich 1908, y T. Boddington. Variational Methods in Mathematical Physics. Oxford: Pergamon press, 1964.

Cita MLA (8a ed.)

Mikhlin, Solomon Grigor'evich 1908, y T. Boddington. Variational Methods in Mathematical Physics. Pergamon press, 1964.