Citazione Stile APA (7a Edizione)

Simon, J. L. (1990). Population matters: People, resources, environment, and immigration. Transaction Publishers.

Citazione stile Chigago Style (17a edizione)

Simon, Julian L. Population Matters: People, Resources, Environment, and Immigration. New Brunswick, New Jersey: Transaction Publishers, 1990.

Citatione MLA (9a ed.)

Simon, Julian L. Population Matters: People, Resources, Environment, and Immigration. Transaction Publishers, 1990.