APA (7th ed.) Citation

Achkasov, A. I., & Preksin, O. M. (1986). Two worlds--two monetary systems. Progress.

Chicago Style (17th ed.) Citation

Achkasov, A. I., and O. M. Preksin. Two Worlds--two Monetary Systems. Moscow: Progress, 1986.

MLA (8th ed.) Citation

Achkasov, A. I., and O. M. Preksin. Two Worlds--two Monetary Systems. Progress, 1986.

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