APA aipamena

Gregory, W. M., & Guitteau, W. B. (1922). History and geography of Ohio. Ginn.

Chicago Style aipamena

Gregory, William M., and William Backus Guitteau. History and Geography of Ohio. Boston: Ginn, 1922.

MLA aipamena

Gregory, William M., and William Backus Guitteau. History and Geography of Ohio. Ginn, 1922.