Cita APA (7th ed.)

Purcell, E. M. (1985). Electricity and magnetism (2a. ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Purcell, Edward M. Electricity and Magnetism. 2a. ed. Nueva York: McGraw-Hill, 1985.

Cita MLA (9th ed.)

Purcell, Edward M. Electricity and Magnetism. 2a. ed. McGraw-Hill, 1985.