APA (7th ed.) Citation

American Telephone and Telegraph Company. Long Lines Dept. (1939). Principles of electricity applied to telephone and telegraph work: A training course text prepared for employees of the Long Lines Department, American Telephone and Telegraph Company, November 1938. s.n.

Chicago Style (17th ed.) Citation

American Telephone and Telegraph Company. Long Lines Dept. Principles of Electricity Applied to Telephone and Telegraph Work: A Training Course Text Prepared for Employees of the Long Lines Department, American Telephone and Telegraph Company, November 1938. [New York]: s.n, 1939.

MLA (9th ed.) Citation

American Telephone and Telegraph Company. Long Lines Dept. Principles of Electricity Applied to Telephone and Telegraph Work: A Training Course Text Prepared for Employees of the Long Lines Department, American Telephone and Telegraph Company, November 1938. s.n, 1939.