Stearns, P. N. (2019). Millennium III, Century XXI: A retrospective on the future (First issued in hardback.). Routledge.
Chicago-Zitierstil (17. Ausg.)Stearns, Peter N. Millennium III, Century XXI: A Retrospective on the Future. First issued in hardback. New York: Routledge, 2019.
MLA-Zitierstil (9. Ausg.)Stearns, Peter N. Millennium III, Century XXI: A Retrospective on the Future. First issued in hardback. Routledge, 2019.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.