Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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