POPULATION REFERENCE BUREAU (WASHINGTON). POPULATION BULLETIN. POPULATION REFERENCE BUREAU.
Chicago Style (17th ed.) CitationPOPULATION REFERENCE BUREAU (WASHINGTON). POPULATION BULLETIN. WASHINGTON: POPULATION REFERENCE BUREAU.
MLA (9th ed.) CitationPOPULATION REFERENCE BUREAU (WASHINGTON). POPULATION BULLETIN. POPULATION REFERENCE BUREAU.