Malthus, T. R. (2019). Archivmaterialien zu Thomas Robert Malthus, 1766-1834.
Chicago Style (17th ed.) CitationMalthus, Thomas Robert. Archivmaterialien Zu Thomas Robert Malthus, 1766-1834. 2019.
MLA引文Malthus, Thomas Robert. Archivmaterialien Zu Thomas Robert Malthus, 1766-1834. 2019.
警告：這些引文格式不一定是100％准確.