APA (7th ed.) Citation

Underkoffler, M. M. (1980). Introduction to structured programming with PL/I and PL/C. Prindle, Weber & Schmidt.

Chicago Style (17th ed.) Citation

Underkoffler, Milton M. Introduction to Structured Programming with PL/I and PL/C. Boston, Mass.: Prindle, Weber & Schmidt, 1980.

MLA (9th ed.) Citation

Underkoffler, Milton M. Introduction to Structured Programming with PL/I and PL/C. Prindle, Weber & Schmidt, 1980.