APA (7th ed.) Citation

Fletcher, R. (1991). Practical methods of optimization (2. ed., repr.). Wiley.

Chicago Style (17th ed.) Citation

Fletcher, Roger. Practical Methods of Optimization. 2. ed., repr. Chichester [u.a.]: Wiley, 1991.

MLA (9th ed.) Citation

Fletcher, Roger. Practical Methods of Optimization. 2. ed., repr. Wiley, 1991.