Cita APA (7th ed.)
Schwinger, J. Classical Electrodynamics. Westview.
Cita Chicago (17th ed.)
Schwinger, Julian. Classical Electrodynamics. Boulder, EUA: Westview.
Cita MLA (9th ed.)
Schwinger, Julian. Classical Electrodynamics. Westview.
Atenció: Aquestes cites poden no estar 100% correctes.