APA (7th ed.) Citation
(1991). International journal of energy, environment, economics. Nova Science Publishers.
Chicago Style (17th ed.) Citation
International Journal of Energy, Environment, Economics. Commack, N.Y.: Nova Science Publishers, 1991.
MLA (9th ed.) Citation
International Journal of Energy, Environment, Economics. Nova Science Publishers, 1991.
Warning: These citations may not always be 100% accurate.