Forrester, J. W. (1990). Principles of systems. Pegasus Communications.
Chicago Style (17th ed.) CitationForrester, Jay Wright. Principles of Systems. Waltham, Mass.: Pegasus Communications, 1990.
MLA (9th ed.) CitationForrester, Jay Wright. Principles of Systems. Pegasus Communications, 1990.
Warning: These citations may not always be 100% accurate.