Harari, Y. N. (2019). 21 lessons for the 21st century. Vintage.
Chicago Style (17th ed.) CitationHarari, Yuval N. 21 Lessons for the 21st Century. London: Vintage, 2019.
MLA引文Harari, Yuval N. 21 Lessons for the 21st Century. Vintage, 2019.
警告:這些引文格式不一定是100%准確.