APA (7th ed.) Citation

Hobbs, A. H. (1942). Differentials in internal migration. University of Pennsylvania.

Chicago Style (17th ed.) Citation

Hobbs, Albert Hoyt. Differentials in Internal Migration. Philadelphia: University of Pennsylvania, 1942.

MLA (8th ed.) Citation

Hobbs, Albert Hoyt. Differentials in Internal Migration. University of Pennsylvania, 1942.

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