APA (7th ed.) Citation

Dunbar, A. (1972). Testing for air pollution. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Dunbar, Artice. Testing for Air Pollution. Washington, D.C.: Dept. of Agriculture, 1972.

MLA (9th ed.) Citation

Dunbar, Artice. Testing for Air Pollution. Dept. of Agriculture, 1972.