APA (7th ed.) Citation

Kohler, F. (1964). Tube is own vacuum gage. Electronics (1930)., 37, 89.

Chicago Style (17th ed.) Citation

Kohler, F. "Tube Is Own Vacuum Gage." Electronics (1930). 37 (1964): 89.

MLA (9th ed.) Citation

Kohler, F. "Tube Is Own Vacuum Gage." Electronics (1930)., vol. 37, 1964, p. 89.