Estournelles de Constant, P. H. B. d. (1974). America and her problems.
Chicago Style (17th ed.) CitationEstournelles de Constant, Paul Henri Benjamin d'. America and Her Problems. 1974.
MLA (9th ed.) CitationEstournelles de Constant, Paul Henri Benjamin d'. America and Her Problems. 1974.
Warning: These citations may not always be 100% accurate.