APA (7th ed.) Citation

Randall, R. P. (1959). I Mary: A biography of the girl who married Abraham Lincoln. Little, Brown & Company.

Chicago Style (17th ed.) Citation

Randall, Ruth Painter. I Mary: A Biography of the Girl Who Married Abraham Lincoln. Boston ; Toronto: Little, Brown & Company, 1959.

MLA (9th ed.) Citation

Randall, Ruth Painter. I Mary: A Biography of the Girl Who Married Abraham Lincoln. Little, Brown & Company, 1959.