APA引文

Willoughby, W. W. (1910). The rights and duties of American citizenship. American Book Co..

Chicago Style (17th ed.) Citation

Willoughby, Westel Woodbury. The Rights and Duties of American Citizenship. New York : Cincinnati [etc.]: American Book Co., 1910.

MLA引文

Willoughby, Westel Woodbury. The Rights and Duties of American Citizenship. American Book Co., 1910.