Biller, C. J. (1977). A hydraulic assist for a manual skyline lock. Dept. of Agriculture, Forest Service, North eastern Forest Experiment Station.
Chicago Style (17th ed.) CitationBiller, Cleveland J. A Hydraulic Assist for a Manual Skyline Lock. Upper Darby, Pa.: Dept. of Agriculture, Forest Service, North eastern Forest Experiment Station, 1977.
MLA (9th ed.) CitationBiller, Cleveland J. A Hydraulic Assist for a Manual Skyline Lock. Dept. of Agriculture, Forest Service, North eastern Forest Experiment Station, 1977.
Warning: These citations may not always be 100% accurate.