APA (7th ed.) Citation

Twito, R. H., & Mann, C. N. (1979). Determining average yarding distance. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Twito, Roger H., and Charles N. Mann. Determining Average Yarding Distance. Portland, Or.: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979.

MLA (9th ed.) Citation

Twito, Roger H., and Charles N. Mann. Determining Average Yarding Distance. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979.