APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.