APA (7th ed.) Citation

Lincoln, A., & Fehrenbacher, D. E. (1989). Abraham Lincoln: Speeches, Letters, Miscellaneous Writings The Lincoln-Douglas Debates. Viking Press.

Chicago Style (17th ed.) Citation

Lincoln, Abraham, and Don Edward Fehrenbacher. Abraham Lincoln: Speeches, Letters, Miscellaneous Writings The Lincoln-Douglas Debates. New York: Viking Press, 1989.

MLA (9th ed.) Citation

Lincoln, Abraham, and Don Edward Fehrenbacher. Abraham Lincoln: Speeches, Letters, Miscellaneous Writings The Lincoln-Douglas Debates. Viking Press, 1989.