APA Citation

Hughes, J. K., & Hughes, J. K. (1979). PL/I structured programming (2.edition.). New York, New York: Willey.

Chicago Style Citation

Hughes, Joan Kirkby, and Joan Kirkby Hughes. PL/I Structured Programming. 2.edition. New York, New York: Willey, 1979.

MLA Citation

Hughes, Joan Kirkby, and Joan Kirkby Hughes. PL/I Structured Programming. 2.edition. New York, New York: Willey, 1979.

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