APA (7th ed.) Citation

Eastman, A. V. (1941). Fundamentals of vacuum tubes (2d ed.). McGraw-Hill Book Co..

Chicago Style (17th ed.) Citation

Eastman, Austin Vitruvius. Fundamentals of Vacuum Tubes. 2d ed. New York, London: McGraw-Hill Book Co., 1941.

MLA (9th ed.) Citation

Eastman, Austin Vitruvius. Fundamentals of Vacuum Tubes. 2d ed. McGraw-Hill Book Co., 1941.