Cita APA (7a ed.)

Collatz, L., & Wetterling, W. W. E. (1975). Optimization problems. Springer.

Cita Chicago Style (17a ed.)

Collatz, Lothar, y Wolfgang W. E. Wetterling. Optimization Problems. New York [etc.]: Springer, 1975.

Cita MLA (9a ed.)

Collatz, Lothar, y Wolfgang W. E. Wetterling. Optimization Problems. Springer, 1975.