APA (7th ed.) Citation

Hallmark, C. L. (1973). Understanding & using the oscilloscope ([2d ed.].). G/L Tab Books.

Chicago Style (17th ed.) Citation

Hallmark, Clayton L. Understanding & Using the Oscilloscope. [2d ed.]. Blue Ridge Summit, Pa.: G/L Tab Books, 1973.

MLA (8th ed.) Citation

Hallmark, Clayton L. Understanding & Using the Oscilloscope. [2d ed.]. G/L Tab Books, 1973.