APA (7th ed.) Citation

Grauer, R. T., & Crawford, M. A. (1979). The COBOL environment. Prentice-Hall.

Chicago Style (17th ed.) Citation

Grauer, Robert T., and Marshal A. Crawford. The COBOL Environment. Englewood Cliffs, N.J.: Prentice-Hall, 1979.

MLA (8th ed.) Citation

Grauer, Robert T., and Marshal A. Crawford. The COBOL Environment. Prentice-Hall, 1979.

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