Cita APA (7a ed.)

Gray, A. (1914). Principles and practice of electrical engineering. McGraw-Hill Book Company, inc..

Cita Chicago Style (17a ed.)

Gray, Alexander. Principles and Practice of Electrical Engineering. New York [etc.]: McGraw-Hill Book Company, inc., 1914.

Cita MLA (8a ed.)

Gray, Alexander. Principles and Practice of Electrical Engineering. McGraw-Hill Book Company, inc., 1914.