APA (7th ed.) Citation

Aldous, W. H., & Appleton, E. V. (1958). Thermionic vacuum tubes and their applications (7th ed.). Methuen.

Chicago Style (17th ed.) Citation

Aldous, W. H., and Edward Victor Appleton. Thermionic Vacuum Tubes and Their Applications. 7th ed. London: Methuen, 1958.

MLA (8th ed.) Citation

Aldous, W. H., and Edward Victor Appleton. Thermionic Vacuum Tubes and Their Applications. 7th ed. Methuen, 1958.