APA (7th ed.) Citation

Pugh, J. R., & Bell, D. (1983). Modern methods for COBOL programmers. Prentice-Hall Internat.

Chicago Style (17th ed.) Citation

Pugh, John R., and Doug Bell. Modern Methods for COBOL Programmers. Englewood Cliffs, N.J. u.a: Prentice-Hall Internat, 1983.

MLA (9th ed.) Citation

Pugh, John R., and Doug Bell. Modern Methods for COBOL Programmers. Prentice-Hall Internat, 1983.