Cita APA (7a ed.)

Denniston, D., & Ayres, E. (1995). High priorities: Conserving mountain ecosystems and cultures. Worldwatch Institute.

Cita Chicago Style (17a ed.)

Denniston, Derek, y Ed Ayres. High Priorities: Conserving Mountain Ecosystems and Cultures. Washington, DC: Worldwatch Institute, 1995.

Cita MLA (9a ed.)

Denniston, Derek, y Ed Ayres. High Priorities: Conserving Mountain Ecosystems and Cultures. Worldwatch Institute, 1995.