Cita APA (7a ed.)

Noah Harari, Y., & Perkins, D. (2018). 21 lessons for the 21st century (Unabridged.). Random House Audio.

Cita Chicago Style (17a ed.)

Noah Harari, Yuval, y Derek Perkins. 21 Lessons for the 21st Century. Unabridged. New York: Random House Audio, 2018.

Cita MLA (8a ed.)

Noah Harari, Yuval, y Derek Perkins. 21 Lessons for the 21st Century. Unabridged. Random House Audio, 2018.

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