APA (7th ed.) Citation

Ra'anan & Lukas. (1990). Gorbachev's USSR: A system in crisis. Macmillan.

Chicago Style (17th ed.) Citation

Ra'anan and Lukas. Gorbachev's USSR: A System in Crisis. London: Macmillan, 1990.

MLA (8th ed.) Citation

Ra'anan and Lukas. Gorbachev's USSR: A System in Crisis. Macmillan, 1990.

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