APA Citation

Thomas, C. (1889). The circular, square, and octagonal earthworks of Ohio. Washington [DC]: Govt. Print. Off..

Chicago Style Citation

Thomas, Cyrus. The Circular, Square, and Octagonal Earthworks of Ohio. Washington [DC]: Govt. Print. Off., 1889.

MLA Citation

Thomas, Cyrus. The Circular, Square, and Octagonal Earthworks of Ohio. Washington [DC]: Govt. Print. Off., 1889.

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