(1968). Snow avalanches: A handbook of forecasting and control measures (Slightly rev., Oct. 1968.). U.S. Dept. of Agriculture, Forest Service.
Chicago-Zitierstil (17. Ausg.)Snow Avalanches: A Handbook of Forecasting and Control Measures. Slightly rev., Oct. 1968. [Washington, D.C.]: U.S. Dept. of Agriculture, Forest Service, 1968.
MLA-Zitierstil (9. Ausg.)Snow Avalanches: A Handbook of Forecasting and Control Measures. Slightly rev., Oct. 1968. U.S. Dept. of Agriculture, Forest Service, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.