Cita APA (7a ed.)

Rothery, B., Byrne, B., & Mullally, A. (1969). The art of systems analysis. Business Books.

Cita Chicago Style (17a ed.)

Rothery, Brian, Brendan Byrne, y Alan Mullally. The Art of Systems Analysis. London: Business Books, 1969.

Cita MLA (9a ed.)

Rothery, Brian, et al. The Art of Systems Analysis. Business Books, 1969.