APA Edition Citation

Hughes, J. K. (1979). PL-I structured programming. John Wiley.

Chicago Edition Citation

Hughes, Joan Kirkby. PL-I Structured Programming. New York: John Wiley, 1979.

MLA Edition Citation

Hughes, Joan Kirkby. PL-I Structured Programming. John Wiley, 1979.

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