APA (7th ed.) Citation

Hughes, J. K. (1973). PL/I programming. Wiley.

Chicago Style (17th ed.) Citation

Hughes, Joan Kirkby. PL/I Programming. New York: Wiley, 1973.

MLA (9th ed.) Citation

Hughes, Joan Kirkby. PL/I Programming. Wiley, 1973.

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