Cita APA (7a ed.)

Williams, H. P. (1990). Model building in mathematical programing (3nd. ed.). John Wiley.

Cita Chicago Style (17a ed.)

Williams, H. P. Model Building in Mathematical Programing. 3nd. ed. Chichester: John Wiley, 1990.

Cita MLA (8a ed.)

Williams, H. P. Model Building in Mathematical Programing. 3nd. ed. John Wiley, 1990.