Humphrey, D. B. (1989). The U.S. Payment System: Efficiency, Risk and the Role of the Federal Reserve: Proceedings of a Symposium on the U.S. Payment System sponsored by the Federal Reserve Bank of Richmond. Springer Netherlands.
Chicago Style (17th ed.) CitationHumphrey, David B. The U.S. Payment System: Efficiency, Risk and the Role of the Federal Reserve: Proceedings of a Symposium on the U.S. Payment System Sponsored by the Federal Reserve Bank of Richmond. Dordrecht: Springer Netherlands, 1989.
MLA (9th ed.) CitationHumphrey, David B. The U.S. Payment System: Efficiency, Risk and the Role of the Federal Reserve: Proceedings of a Symposium on the U.S. Payment System Sponsored by the Federal Reserve Bank of Richmond. Springer Netherlands, 1989.
Warning: These citations may not always be 100% accurate.