Cita APA (7a ed.)

Rodenburg, E., Tunstall, D., & Van Bolhuis, F. (1995). Environmental indicators for global cooperation. Global Environment Facility.

Cita Chicago Style (17a ed.)

Rodenburg, Eric, Dan Tunstall, y Frederik Van Bolhuis. Environmental Indicators for Global Cooperation. Washington D.C: Global Environment Facility, 1995.

Cita MLA (9a ed.)

Rodenburg, Eric, et al. Environmental Indicators for Global Cooperation. Global Environment Facility, 1995.