APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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