APA (7th ed.) Citation

Skelton, J. E. (1971). An introduction to the BASIC language. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Skelton, John E. An Introduction to the BASIC Language. New York: Holt, Rinehart and Winston, 1971.

MLA (8th ed.) Citation

Skelton, John E. An Introduction to the BASIC Language. Holt, Rinehart and Winston, 1971.