Cita APA (7th ed.)
Langsdorf, A. S. (1955). Theory of alternating-current machinery (2nd ed.). McGraw-Hill Book Company.
Cita Chicago (17th ed.)
Langsdorf, Alexander S. Theory of Alternating-current Machinery. 2nd ed. New York: McGraw-Hill Book Company, 1955.
Cita MLA (9th ed.)
Langsdorf, Alexander S. Theory of Alternating-current Machinery. 2nd ed. McGraw-Hill Book Company, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.