Design of electrical apparatus

MLA

Kuhlmann, John Henry Helwig. Design of Electrical Apparatus. 3rd ed. New York: Wiley, 1950.

APA

Kuhlmann, J. Henry Helwig. (1950). Design of electrical apparatus. 3rd ed. New York: Wiley.

Chicago

Kuhlmann, John Henry Helwig, Design of Electrical Apparatus. 3rd ed. New York: Wiley, 1950.