APA (7th ed.) Citation

Somermeyer, W. H. (1970). Multipolar human-flow models. Econometric Inst., Netherlands School of Economics.

Chicago Style (17th ed.) Citation

Somermeyer, W. H. Multipolar Human-flow Models. Rotterdam: Econometric Inst., Netherlands School of Economics, 1970.

MLA (8th ed.) Citation

Somermeyer, W. H. Multipolar Human-flow Models. Econometric Inst., Netherlands School of Economics, 1970.

Warning: These citations may not always be 100% accurate.