APA (7th ed.) Citation

SHARDE, W. E. (1979). BASIC: An introduction to computer programming using the BASIC language (3rd ed.). The Free Press.

Chicago Style (17th ed.) Citation

SHARDE, William E. BASIC: An Introduction to Computer Programming Using the BASIC Language. 3rd ed. New York: The Free Press, 1979.

MLA (8th ed.) Citation

SHARDE, William E. BASIC: An Introduction to Computer Programming Using the BASIC Language. 3rd ed. The Free Press, 1979.