Cita APA (7a ed.)

Keen, P. G. (1997). The process edge creating value where it counts. Harvard University.

Cita Chicago Style (17a ed.)

Keen, Peter G.W. The Process Edge Creating Value Where It Counts. Boston: Harvard University, 1997.

Cita MLA (9a ed.)

Keen, Peter G.W. The Process Edge Creating Value Where It Counts. Harvard University, 1997.