APA (7th ed.) Citation

Matthews, E. J., Shackleford, P. S., & Walker, J. T. (1981). Low energy cotton production systems. American Society of Agricultural Engineers.

Chicago Style (17th ed.) Citation

Matthews, Edwin J., Pat S. Shackleford, and Joel T. Walker. Low Energy Cotton Production Systems. St. Joseph, Mich.: American Society of Agricultural Engineers, 1981.

MLA (9th ed.) Citation

Matthews, Edwin J., et al. Low Energy Cotton Production Systems. American Society of Agricultural Engineers, 1981.