APA (7th ed.) Citation

Wallace, R. H., Stockenberg, J. E., & Charette, R. N. (1987). A unified methodology for developing systems. Intertext Publications : McGraw-Hill.

Chicago Style (17th ed.) Citation

Wallace, Robert H., John E. Stockenberg, and Robert N. Charette. A Unified Methodology for Developing Systems. New York, NY: Intertext Publications : McGraw-Hill, 1987.

MLA (9th ed.) Citation

Wallace, Robert H., et al. A Unified Methodology for Developing Systems. Intertext Publications : McGraw-Hill, 1987.