APA (7th ed.) Citation

Levenson, H. (1971). Impact of a local earth-day program. Environmental Quality Program, Texas A & M University.

Chicago Style (17th ed.) Citation

Levenson, Hanna. Impact of a Local Earth-day Program. [College Station, Tex.]: Environmental Quality Program, Texas A & M University, 1971.

MLA (9th ed.) Citation

Levenson, Hanna. Impact of a Local Earth-day Program. Environmental Quality Program, Texas A & M University, 1971.