Obama, M. (2021). Becoming (Updated paperback edition.). Penguin Books.
芝加哥风格引文Obama, Michelle. Becoming. Updated paperback edition. [London]: Penguin Books, 2021.
MLA引文Obama, Michelle. Becoming. Updated paperback edition. Penguin Books, 2021.
警告：这些引文格式不一定是100％准确.