Style de citation APA (7e éd.)

Schoen, D. E. (2019). Collapse: A world in crisis and the urgency of American leadership. Encounter Books.

Style de citation Chicago (17e éd.)

Schoen, Douglas E. Collapse: A World in Crisis and the Urgency of American Leadership. New York: Encounter Books, 2019.

Style de citation MLA (8e éd.)

Schoen, Douglas E. Collapse: A World in Crisis and the Urgency of American Leadership. Encounter Books, 2019.