Cita APA (7a ed.)

Lawrence, R. R. (1940). Principles of alternating-current machinery (3rd ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Lawrence, Ralph R. Principles of Alternating-current Machinery. 3rd ed. New York, London: McGraw-Hill, 1940.

Cita MLA (8a ed.)

Lawrence, Ralph R. Principles of Alternating-current Machinery. 3rd ed. McGraw-Hill, 1940.