APA (7th ed.) Citation

Williams, A. S. (1974). Late-glacial-postglacial vegetational history of the Pretty Lake region, northeastern Indiana. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Williams, Alice Simms. Late-glacial-postglacial Vegetational History of the Pretty Lake Region, Northeastern Indiana. Washington: U.S. Govt. Print. Off, 1974.

MLA (9th ed.) Citation

Williams, Alice Simms. Late-glacial-postglacial Vegetational History of the Pretty Lake Region, Northeastern Indiana. U.S. Govt. Print. Off, 1974.