American Association for Agricultural Engineering and Vocational Agriculture, Parody, W. H., Smith, G. W., & Gorham, F. (1969). Understanding and measuring horsepower: Motors, engines, tractors. [publisher not identified].
Chicago Style (17th ed.) CitationAmerican Association for Agricultural Engineering and Vocational Agriculture, W. Harold Parody, George W. Smith, and Florence Gorham. Understanding and Measuring Horsepower: Motors, Engines, Tractors. Athens, Ga.: [publisher not identified], 1969.
MLA (9th ed.) CitationAmerican Association for Agricultural Engineering and Vocational Agriculture, et al. Understanding and Measuring Horsepower: Motors, Engines, Tractors. [publisher not identified], 1969.
Warning: These citations may not always be 100% accurate.