APA (7th ed.) Citation

(1993). Understanding our fragile environment: Lessons from geochemical studies. US Gov. Print. Off.

Chicago Style (17th ed.) Citation

Understanding Our Fragile Environment: Lessons from Geochemical Studies. Washington, DC: US Gov. Print. Off, 1993.

MLA (9th ed.) Citation

Understanding Our Fragile Environment: Lessons from Geochemical Studies. US Gov. Print. Off, 1993.

Warning: These citations may not always be 100% accurate.