Cita APA (7a ed.)

Semprevivo, P. C. (1976). Systems analysis: Definition, process, and design. Science research associates.

Cita Chicago Style (17a ed.)

Semprevivo, Philip C. Systems Analysis: Definition, Process, and Design. Chicago [etc]: Science research associates, 1976.

Cita MLA (9a ed.)

Semprevivo, Philip C. Systems Analysis: Definition, Process, and Design. Science research associates, 1976.