APA (7th ed.) Citation

Koroscil, P. M. (1971). An introduction to historical geography. Indiana Univ.

Chicago Style (17th ed.) Citation

Koroscil, Paul M. An Introduction to Historical Geography. Bloomington, Ind: Indiana Univ, 1971.

MLA (9th ed.) Citation

Koroscil, Paul M. An Introduction to Historical Geography. Indiana Univ, 1971.