Cita APA (7a ed.)

R M Harrison, Hester, R. E., & Harrison, R. M. (2015). Still only one Earth: Progress in the 40 years since the first UN Conference on the Environment. Royal Society of Chemistry.

Cita Chicago Style (17a ed.)

R M Harrison, R. E. Hester, y Roy M. Harrison. Still Only One Earth: Progress in the 40 Years Since the First UN Conference on the Environment. Cambridge, England: Royal Society of Chemistry, 2015.

Cita MLA (9a ed.)

R M Harrison, et al. Still Only One Earth: Progress in the 40 Years Since the First UN Conference on the Environment. Royal Society of Chemistry, 2015.