APA (7th ed.) Citation

Institute), R. F. E. L. R. I. (. R. Great Excitement among Philatelists in Austria over the first Aluminum Postage Stamp.

Chicago Style (17th ed.) Citation

Institute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. Great Excitement Among Philatelists in Austria over the First Aluminum Postage Stamp.

MLA (8th ed.) Citation

Institute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. Great Excitement Among Philatelists in Austria over the First Aluminum Postage Stamp.

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