APA Edition Citation

Harari, Y. N. 21 lessons for the 21st century (First edition.).

Chicago Edition Citation

Harari, Yuval N. 21 Lessons for the 21st Century. First edition.

MLA Edition Citation

Harari, Yuval N. 21 Lessons for the 21st Century. First edition.

Warning: These citations may not always be 100% accurate.