Coppen, J. J. W., Smith, A. E., & Greenhalgh, P. A. L. (1984). Gum naval stores: An industrial profile of turpentine and rosin production from pine resin. Tropical Development and Research Institute.
Chicago Style (17th ed.) CitationCoppen, J. J. W., A. E. Smith, and P. A. L. Greenhalgh. Gum Naval Stores: An Industrial Profile of Turpentine and Rosin Production from Pine Resin. London: Tropical Development and Research Institute, 1984.
MLA (8th ed.) CitationCoppen, J. J. W., et al. Gum Naval Stores: An Industrial Profile of Turpentine and Rosin Production from Pine Resin. Tropical Development and Research Institute, 1984.
Warning: These citations may not always be 100% accurate.