APA (7th ed.) Citation

Eastman, A. V. (1949). Fundamentals of vacuum tubes (3rd ed.). McGraw-Hill Book Co..

Chicago Style (17th ed.) Citation

Eastman, Austin Vitruvius. Fundamentals of Vacuum Tubes. 3rd ed. New York: McGraw-Hill Book Co., 1949.

MLA (8th ed.) Citation

Eastman, Austin Vitruvius. Fundamentals of Vacuum Tubes. 3rd ed. McGraw-Hill Book Co., 1949.