APA (7th ed.) Citation

(1979). Learning to program in structured Cobol: Edward Yourdon a. o (2. print.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Learning to Program in Structured Cobol: Edward Yourdon a. O. 2. print. Englewood Cliffs, NJ: Prentice-Hall, 1979.

MLA (9th ed.) Citation

Learning to Program in Structured Cobol: Edward Yourdon a. O. 2. print. Prentice-Hall, 1979.