APA (7th ed.) Citation

Wendel & Williams. (1969). Introduction to data processing and cobol. McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Wendel and Williams. Introduction to Data Processing and Cobol. New York: McGraw-Hill Book Company, 1969.

MLA (8th ed.) Citation

Wendel and Williams. Introduction to Data Processing and Cobol. McGraw-Hill Book Company, 1969.