APA (7th ed.) Citation

Hughes, H. A., Hill, C. L., & Vaughan, D. H. (1976). Optimization of a solar-assisted floor heating system for swine. [American Society of Agricultural Engineers?].

Chicago Style (17th ed.) Citation

Hughes, Harold A., C. L. Hill, and D. H. Vaughan. Optimization of a Solar-assisted Floor Heating System for Swine. [St. Joseph, Mich.?]: [American Society of Agricultural Engineers?], 1976.

MLA (9th ed.) Citation

Hughes, Harold A., et al. Optimization of a Solar-assisted Floor Heating System for Swine. [American Society of Agricultural Engineers?], 1976.