APA (7th ed.) Citation

Grauer, R. T., & Crawford, M. A. 1. . . j. a. (1979). The COBOL environment. Prentice-Hall.

Chicago Style (17th ed.) Citation

Grauer, Robert T., and Marshall A. 1943- joint auth Crawford. The COBOL Environment. Englewood Cliffs, N. J: Prentice-Hall, 1979.

MLA (9th ed.) Citation

Grauer, Robert T., and Marshall A. 1943- joint auth Crawford. The COBOL Environment. Prentice-Hall, 1979.