APA (7th ed.) Citation

Helms. (1979). Introduction to microcomputers for the ham shack. H. W. Sams.

Chicago Style (17th ed.) Citation

Helms. Introduction to Microcomputers for the Ham Shack. Indianapolis, Ind: H. W. Sams, 1979.

MLA (8th ed.) Citation

Helms. Introduction to Microcomputers for the Ham Shack. H. W. Sams, 1979.

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