APA (7th ed.) Citation

Sack, J. R., & Meadows, J. L. (1973). Entering BASIC. Science Research Associates.

Chicago Style (17th ed.) Citation

Sack, John R., and Judith L. Meadows. Entering BASIC. Chicago [u.a.]: Science Research Associates, 1973.

MLA (9th ed.) Citation

Sack, John R., and Judith L. Meadows. Entering BASIC. Science Research Associates, 1973.

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