APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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