APA aipamena

J. Walter Thompson Company & United States. Bureau of the Census. (1918). Population and its distribution (2nd ed., rev. and enl.). J. Walter Thompson.

Chicago Style aipamena

J. Walter Thompson Company and United States. Bureau of the Census. Population and Its Distribution. 2nd ed., rev. and enl. New York: J. Walter Thompson, 1918.

MLA aipamena

J. Walter Thompson Company and United States. Bureau of the Census. Population and Its Distribution. 2nd ed., rev. and enl. J. Walter Thompson, 1918.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.