APA (7th ed.) Citation

Bassler, R. A., & Joslin, E. O. (1975). An introduction to computer systems (3. ed.). College Readings Inc.

Chicago Style (17th ed.) Citation

Bassler, Richard A., and Edward O. Joslin. An Introduction to Computer Systems. 3. ed. Arlington, Va: College Readings Inc, 1975.

MLA (9th ed.) Citation

Bassler, Richard A., and Edward O. Joslin. An Introduction to Computer Systems. 3. ed. College Readings Inc, 1975.