APA (7th ed.) Citation

Obert, E. F. (1973). Internal combustion engines and air pollution. Harper & Row.

Chicago Style (17th ed.) Citation

Obert, Edward F. Internal Combustion Engines and Air Pollution. New York: Harper & Row, 1973.

MLA (9th ed.) Citation

Obert, Edward F. Internal Combustion Engines and Air Pollution. Harper & Row, 1973.