APA Edition Citation

Eastman, A. V. (1949). Fundementals of vacuum tubes (3rd ed.).

Chicago Edition Citation

Eastman, Audin V. Fundementals of Vacuum Tubes. 3rd ed. 1949.

MLA Edition Citation

Eastman, Audin V. Fundementals of Vacuum Tubes. 3rd ed. 1949.

Warning: These citations may not always be 100% accurate.