A letter on the political obligations of abolitionists

Chicago citation style
Birney, James Gillespie, 1792-1857. A letter on the political obligations of abolitionists. 1839. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100692347. (Accessed February 19, 2019.)
APA citation style
Birney, James Gillespie, 1792-1857, (1839) A letter on the political obligations of abolitionists. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100692347
MLA citation style
Birney, James Gillespie, 1792-1857. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100692347>.
Note: These citations are programmatically generated and may be incomplete.