Cita APA (7a ed.)

Rothery, B., & Mullally, A. (1970). The practice of systems analysis. Business Books.

Cita Chicago Style (17a ed.)

Rothery, Brian, y Alan Mullally. The Practice of Systems Analysis. London: Business Books, 1970.

Cita MLA (9a ed.)

Rothery, Brian, y Alan Mullally. The Practice of Systems Analysis. Business Books, 1970.