APA (7th ed.) Citation

Elian, G. (1979). The principle of sovereignty over natural resources. Sijthoff & Noordhoff.

Chicago Style (17th ed.) Citation

Elian, Gheorghe. The Principle of Sovereignty over Natural Resources. Alphen aan den Rijn [etc.]: Sijthoff & Noordhoff, 1979.

MLA (9th ed.) Citation

Elian, Gheorghe. The Principle of Sovereignty over Natural Resources. Sijthoff & Noordhoff, 1979.