APA (7th ed.) Citation

Martin, J. M. (1981). A study of keying skills and various alphanumeric keyboards.

Chicago Style (17th ed.) Citation

Martin, Janet Mary. A Study of Keying Skills and Various Alphanumeric Keyboards. 1981.

MLA (9th ed.) Citation

Martin, Janet Mary. A Study of Keying Skills and Various Alphanumeric Keyboards. 1981.

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