Hall, R. A. (1974). External history of the Romance Languages. Elsevier.
Chicago Style (17th ed.) CitationHall, Robert Anderson. External History of the Romance Languages. New York [etc.]: Elsevier, 1974.
MLA (9th ed.) CitationHall, Robert Anderson. External History of the Romance Languages. Elsevier, 1974.
Warning: These citations may not always be 100% accurate.