APA (7th ed.) Citation

Kjems, J., & Fenhann, J. (1990). Environmental models. Emissions and consequences: Riso international conf., 22 - 25 May 1989. Elsevier.

Chicago Style (17th ed.) Citation

Kjems, Jorgen, and J. Fenhann. Environmental Models. Emissions and Consequences: Riso International Conf., 22 - 25 May 1989. Amsterdam: Elsevier, 1990.

MLA (9th ed.) Citation

Kjems, Jorgen, and J. Fenhann. Environmental Models. Emissions and Consequences: Riso International Conf., 22 - 25 May 1989. Elsevier, 1990.