Cita APA (7a ed.)

Estados Unidos de América & Polk, J. K. Message from the president of the United States to the two houses of Congress, at the commencement of the first session of the thirtieth congress: December 7, 1847.

Cita Chicago Style (17a ed.)

Estados Unidos de América y James K. Polk. Message from the President of the United States to the Two Houses of Congress, at the Commencement of the First Session of the Thirtieth Congress: December 7, 1847. Washington : printed by Wendell and Van Benthuysen, 1847.

Cita MLA (8a ed.)

Estados Unidos de América y James K. Polk. Message from the President of the United States to the Two Houses of Congress, at the Commencement of the First Session of the Thirtieth Congress: December 7, 1847.