United States. Bureau of the Census. (1919). Fourteenth Census. Instructions to supervisors of census: Oral instruction of enumerators and conduct of enumeration. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Fourteenth Census. Instructions to Supervisors of Census: Oral Instruction of Enumerators and Conduct of Enumeration. [Washington]: GPO, 1919.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Fourteenth Census. Instructions to Supervisors of Census: Oral Instruction of Enumerators and Conduct of Enumeration. GPO, 1919.
Warning: These citations may not always be 100% accurate.