Cita APA

Pernetta, J., Leemans, R., Elder, D., & Humphrey, S. (1995). The impact of climate change on ecosystems and species. Gland, Switzerland: IUCN.

Citación estilo Chicago

Pernetta, John, Rik Leemans, Danny Elder, y Sarah Humphrey. The Impact of Climate Change On Ecosystems and Species. Gland, Switzerland: IUCN, 1995.

Cita MLA

Pernetta, John, Rik Leemans, Danny Elder, y Sarah Humphrey. The Impact of Climate Change On Ecosystems and Species. Gland, Switzerland: IUCN, 1995.