APA (7th ed.) Citation

Perkins, H. C. (1974). Air pollution / (by) Henry C. Perkins. McGraw-Hill.

Chicago Style (17th ed.) Citation

Perkins, Henry Crawford. Air Pollution / (by) Henry C. Perkins. New York ; London (etc.): McGraw-Hill, 1974.

MLA (9th ed.) Citation

Perkins, Henry Crawford. Air Pollution / (by) Henry C. Perkins. McGraw-Hill, 1974.

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