United States. Panama Canal Commission. (1906). Population and deaths from various diseases in city of Panama, by months and years, Nov. 1883 to Aug. 1906; number of employees and deaths from various diseases among employees of French canal companies, by months and years, Jan. 1881 to Apr. 1904. GPO.
Chicago Style (17th ed.) CitationUnited States. Panama Canal Commission. Population and Deaths from Various Diseases in City of Panama, by Months and Years, Nov. 1883 to Aug. 1906; Number of Employees and Deaths from Various Diseases Among Employees of French Canal Companies, by Months and Years, Jan. 1881 to Apr. 1904. [Washington]: GPO, 1906.
MLA (9th ed.) CitationUnited States. Panama Canal Commission. Population and Deaths from Various Diseases in City of Panama, by Months and Years, Nov. 1883 to Aug. 1906; Number of Employees and Deaths from Various Diseases Among Employees of French Canal Companies, by Months and Years, Jan. 1881 to Apr. 1904. GPO, 1906.