APA Edition Citation

Brown, P. R., & Gwillim, V. . .. (1985). User guide to cobol 85. NCC.

Chicago Edition Citation

Brown, P R., and V. Gwillim. User Guide to Cobol 85. England: NCC, 1985.

MLA Edition Citation

Brown, P R., and V. Gwillim. User Guide to Cobol 85. NCC, 1985.