APA (7th ed.) Citation

Veen, B. v. d. (1967). Introduction to the theory of operational research. Cleaver-Hume P..

Chicago Style (17th ed.) Citation

Veen, B. van der. Introduction to the Theory of Operational Research. London: Cleaver-Hume P., 1967.

MLA (9th ed.) Citation

Veen, B. van der. Introduction to the Theory of Operational Research. Cleaver-Hume P., 1967.