APA (7th ed.) Citation

Holtgrefe, A. A. I. (1975). An optimizing medium-term planning model for the Netherlands Railways. Rotterdam University Press.

Chicago Style (17th ed.) Citation

Holtgrefe, A. A. I. An Optimizing Medium-term Planning Model for the Netherlands Railways. [Rotterdam]: Rotterdam University Press, 1975.

MLA (9th ed.) Citation

Holtgrefe, A. A. I. An Optimizing Medium-term Planning Model for the Netherlands Railways. Rotterdam University Press, 1975.