APA (7th ed.) Citation

Martin, E. W., & Perkins, W. C. (1973). Computers and information systems: An introduction. Irwin.

Chicago Style (17th ed.) Citation

Martin, E. Wainright, and William C. Perkins. Computers and Information Systems: An Introduction. Homewood, Ill: Irwin, 1973.

MLA (9th ed.) Citation

Martin, E. Wainright, and William C. Perkins. Computers and Information Systems: An Introduction. Irwin, 1973.