APA (7th ed.) Citation

Clark, F. J. (1971). Introduction to PL/1 programming. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Clark, Frank J. Introduction to PL/1 Programming. Boston,: Allyn and Bacon, 1971.

MLA (8th ed.) Citation

Clark, Frank J. Introduction to PL/1 Programming. Allyn and Bacon, 1971.

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