Cita APA (7a ed.)

Schittkowski, K. (1980). Nonlinear programming codes: Information, tests, performance. Springer-Verlag.

Cita Chicago Style (17a ed.)

Schittkowski, Klaus. Nonlinear Programming Codes: Information, Tests, Performance. Berlín: Springer-Verlag, 1980.

Cita MLA (9a ed.)

Schittkowski, Klaus. Nonlinear Programming Codes: Information, Tests, Performance. Springer-Verlag, 1980.