Cita APA

Lincoln, A. P., & Lincoln, R. T. (1959). Papers: Presidential papers microfilm. Washington: Library of Congress.

Citación estilo Chicago

Lincoln, Abraham Pres, y Robert Todd Lincoln. Papers: Presidential Papers Microfilm. Washington: Library of Congress, 1959.

Cita MLA

Lincoln, Abraham Pres, y Robert Todd Lincoln. Papers: Presidential Papers Microfilm. Washington: Library of Congress, 1959.