APA (7th ed.) Citation

Ehrlich, P. R., & Ehrlich, A. H. (1991). Healing the planet: Strategies for resolving the environmental crisis. Addison-Wesley.

Chicago Style (17th ed.) Citation

Ehrlich, Paul R., and Anne H. Ehrlich. Healing the Planet: Strategies for Resolving the Environmental Crisis. Reading, Mass: Addison-Wesley, 1991.

MLA (9th ed.) Citation

Ehrlich, Paul R., and Anne H. Ehrlich. Healing the Planet: Strategies for Resolving the Environmental Crisis. Addison-Wesley, 1991.