APA (7th ed.) Citation

Fitzgerald, J. M., & FitzGerald, A. F. (1973). Fundamentals of systems analysis. Wiley.

Chicago Style (17th ed.) Citation

Fitzgerald, John M., and Ardra F. FitzGerald. Fundamentals of Systems Analysis. New York [u.a.]: Wiley, 1973.

MLA (9th ed.) Citation

Fitzgerald, John M., and Ardra F. FitzGerald. Fundamentals of Systems Analysis. Wiley, 1973.