Broline, D. M., & Selig, R. A. (1997). Emigration and the "safety-valve" theory in the eighteenth century: Some Mathematical Evidence from the Prince-Bishopric of Würzburg.
Chicago Style (17th ed.) CitationBroline, Duane M., and Robert A. Selig. Emigration and the "Safety-valve" Theory in the Eighteenth Century: Some Mathematical Evidence from the Prince-Bishopric of Würzburg. 1997.
MLA (9th ed.) CitationBroline, Duane M., and Robert A. Selig. Emigration and the "Safety-valve" Theory in the Eighteenth Century: Some Mathematical Evidence from the Prince-Bishopric of Würzburg. 1997.
Warning: These citations may not always be 100% accurate.