Cita APA (7a ed.)

Worldwatch Institute, Renner, M., & Starke, L. (2013). Vital Signs. Island Press.

Cita Chicago Style (17a ed.)

Worldwatch Institute, Michael Renner, y Linda Starke. Vital Signs. Washington, D.C.: Island Press, 2013.

Cita MLA (8a ed.)

Worldwatch Institute, et al. Vital Signs. Island Press, 2013.