APA (7th ed.) Citation

Heide, J., & Smith, L. H. (1995). A historical investigation of landscape transformation in the 'Black Swamp' region of northwestern Ohio.

Chicago Style (17th ed.) Citation

Heide, Joni, and Leslie H. Smith. A Historical Investigation of Landscape Transformation in the 'Black Swamp' Region of Northwestern Ohio. 1995.

MLA (9th ed.) Citation

Heide, Joni, and Leslie H. Smith. A Historical Investigation of Landscape Transformation in the 'Black Swamp' Region of Northwestern Ohio. 1995.

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