APA (7th ed.) Citation

London, K. R. (1976). The people side of systems: The human aspects of computer systems. McGraw-Hill.

Chicago Style (17th ed.) Citation

London, Keith R. The People Side of Systems: The Human Aspects of Computer Systems. London: McGraw-Hill, 1976.

MLA (9th ed.) Citation

London, Keith R. The People Side of Systems: The Human Aspects of Computer Systems. McGraw-Hill, 1976.