Style de citation APA (7e éd.)

Girard, J. W., & Gevorkiantz, S. R. (1939). Timber cruising. Forest Service, U.S. Dept. of Agriculture.

Style de citation Chicago (17e éd.)

Girard, James W., et Suren Rubenian Gevorkiantz. Timber Cruising. [United States]: Forest Service, U.S. Dept. of Agriculture, 1939.

Style de citation MLA (8e éd.)

Girard, James W., et Suren Rubenian Gevorkiantz. Timber Cruising. Forest Service, U.S. Dept. of Agriculture, 1939.