APA (7th ed.) Citation

Hays, R. W. (1965). Principles of technical writing. Addison-Wesley.

Chicago Style (17th ed.) Citation

Hays, Robert William. Principles of Technical Writing. Reading, Mass.: Addison-Wesley, 1965.

MLA (9th ed.) Citation

Hays, Robert William. Principles of Technical Writing. Addison-Wesley, 1965.