APA (7th ed.) Citation

(2008). It's a gas!: The exchange of gases between the soil and the atmosphere. United States Department of Agriculture, U.S. Forest Service.

Chicago Style (17th ed.) Citation

It's a Gas!: The Exchange of Gases Between the Soil and the Atmosphere. [Washington, D.C.]: United States Department of Agriculture, U.S. Forest Service, 2008.

MLA (9th ed.) Citation

It's a Gas!: The Exchange of Gases Between the Soil and the Atmosphere. United States Department of Agriculture, U.S. Forest Service, 2008.