APA (7th ed.) Citation

Bureau of National Affairs (Arlington, Va.). PPF survey. Bureau of National Affairs.

Chicago Style (17th ed.) Citation

Bureau of National Affairs (Arlington, Va.). PPF Survey. Washington: Bureau of National Affairs.

MLA (9th ed.) Citation

Bureau of National Affairs (Arlington, Va.). PPF Survey. Bureau of National Affairs.

Warning: These citations may not always be 100% accurate.