APA stil citiranja

Tolle, H., & Sirk, W. U. (1975). Optimization methods: Optimization methods. Berlin [etc.]: Springer.

Chicago stil citiranja

Tolle, Henning, and Walter U. Sirk. Optimization methods: Optimization methods. Berlin [etc.]: Springer, 1975.

MLA stil citiranja

Tolle, Henning, and Walter U. Sirk. Optimization methods: Optimization methods. Berlin [etc.]: Springer, 1975.