APA (7th ed.) Citation

Weber, J. R. (1983). User's handbook to the TRS-80 model II. Weber Systems.

Chicago Style (17th ed.) Citation

Weber, Jeffrey R. User's Handbook to the TRS-80 Model II. Cleveland, Ohio: Weber Systems, 1983.

MLA (9th ed.) Citation

Weber, Jeffrey R. User's Handbook to the TRS-80 Model II. Weber Systems, 1983.