APA (7th ed.) Citation

Suntum, U. v. (1989). Johann Heinrich von Thünen: (1783 - 1850).

Chicago Style (17th ed.) Citation

Suntum, Ulrich van. Johann Heinrich Von Thünen: (1783 - 1850). 1989.

MLA (9th ed.) Citation

Suntum, Ulrich van. Johann Heinrich Von Thünen: (1783 - 1850). 1989.

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