Cita APA (7th ed.)

Brown, H. W. (1931). Electrical equipment (2nd edition, 3rd impression.). McGraw-Hill.

Cita Chicago (17th ed.)

Brown, Harold W. Electrical Equipment. 2nd edition, 3rd impression. New York: McGraw-Hill, 1931.

Cita MLA (9th ed.)

Brown, Harold W. Electrical Equipment. 2nd edition, 3rd impression. McGraw-Hill, 1931.