APA (7th ed.) Citation

Burkhardt, D., & Birr, M. (1977). Environmental Simulation. Environmental Policy & Law, 3(2), 71.

Chicago Style (17th ed.) Citation

Burkhardt, D., and M. Birr. "Environmental Simulation." Environmental Policy & Law 3, no. 2 (1977): 71.

MLA (9th ed.) Citation

Burkhardt, D., and M. Birr. "Environmental Simulation." Environmental Policy & Law, vol. 3, no. 2, 1977, p. 71.