APA (7th ed.) Citation

Herkimer, H., & Herkimer, H. (1947). Air conditioning. Chemical Pub. Co..

Chicago Style (17th ed.) Citation

Herkimer, Herbert, and Harold Herkimer. Air Conditioning. Brooklyn: Chemical Pub. Co., 1947.

MLA (9th ed.) Citation

Herkimer, Herbert, and Harold Herkimer. Air Conditioning. Chemical Pub. Co., 1947.