APA (7th ed.) Citation

Engelman, R. (1998). Profiles in carbon: An update on population, consumption, and carbon dioxide emissions. Population Action International.

Chicago Style (17th ed.) Citation

Engelman, Robert. Profiles in Carbon: An Update on Population, Consumption, and Carbon Dioxide Emissions. Washington, DC: Population Action International, 1998.

MLA (9th ed.) Citation

Engelman, Robert. Profiles in Carbon: An Update on Population, Consumption, and Carbon Dioxide Emissions. Population Action International, 1998.