Institute), R. F. E. L. R. I. (. R. Observations Made When Crossing the Frontier between Bulgaria and Yugoslavia.
Chicago Style (17th ed.) CitationInstitute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. Observations Made When Crossing the Frontier Between Bulgaria and Yugoslavia.
MLA (8th ed.) CitationInstitute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. Observations Made When Crossing the Frontier Between Bulgaria and Yugoslavia.
Warning: These citations may not always be 100% accurate.