Cita APA (7th ed.)

Langsdorf , A. S. (1955). Theory of alternating current machinery (2nd ed.). Mc Graw Hill.

Cita Chicago (17th ed.)

Langsdorf , Alexander S. Theory of Alternating Current Machinery. 2nd ed. New York: Mc Graw Hill, 1955.

Cita MLA (9th ed.)

Langsdorf , Alexander S. Theory of Alternating Current Machinery. 2nd ed. Mc Graw Hill, 1955.