Cita APA (7a ed.)

Pender, H., & Del Mar, W. A. (1949). Electrical engineers’ handbook.

Cita Chicago Style (17a ed.)

Pender, Harold, y William Arthur Del Mar. Electrical Engineers’ Handbook. New York, New York : Willey, 1949.

Cita MLA (9a ed.)

Pender, Harold, y William Arthur Del Mar. Electrical Engineers’ Handbook. 1949.