APA (7th ed.) Citation

(1998). Energy map of the Caspian Sea and Black Sea area (2. ed.). Petroleum Economist u.a.

Chicago Style (17th ed.) Citation

Energy Map of the Caspian Sea and Black Sea Area. 2. ed. London: Petroleum Economist u.a, 1998.

MLA (9th ed.) Citation

Energy Map of the Caspian Sea and Black Sea Area. 2. ed. Petroleum Economist u.a, 1998.