APA Style

Langsdorf, A, S. (1955). Theory of alternating-current machinry / Alexander S. Langsdorf (2). New York: McGraw-Hill.

MLA Style

Langsdorf, Alexander, S.. "Theory of alternating-current machinry / Alexander S. Langsdorf". 2 New York: McGraw-Hill, 1955. Textbook ห้องสมุดทั่วไป.