APA (7th ed.) Citation

Leeflang, P. S. H., & Reuyl, J. C. (1979). Conditions for consistent sum-constrained models. Institute of Economic Research, Faculty of Economics, University of Groningen.

Chicago Style (17th ed.) Citation

Leeflang, P. S. H., and Jan C. Reuyl. Conditions for Consistent Sum-constrained Models. [Groningen]: Institute of Economic Research, Faculty of Economics, University of Groningen, 1979.

MLA (8th ed.) Citation

Leeflang, P. S. H., and Jan C. Reuyl. Conditions for Consistent Sum-constrained Models. Institute of Economic Research, Faculty of Economics, University of Groningen, 1979.