APA-Zitierstil (7. Ausg.)

(1971). Population and housing statistics: Selected summary statistics for Census tracts, City of Philadelphia, 1970.

Chicago-Zitierstil (17. Ausg.)

Population and Housing Statistics: Selected Summary Statistics for Census Tracts, City of Philadelphia, 1970. Philadelphia, 1971.

MLA-Zitierstil (9. Ausg.)

Population and Housing Statistics: Selected Summary Statistics for Census Tracts, City of Philadelphia, 1970. 1971.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.