APA (7th ed.) Citation

Institute), R. F. E. L. R. I. (. R. Tightening of Polish-German Frontier Control.

Chicago Style (17th ed.) Citation

Institute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. Tightening of Polish-German Frontier Control.

MLA (8th ed.) Citation

Institute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. Tightening of Polish-German Frontier Control.

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