APA (7th ed.) Citation

Twito, R. H., Mifflin, R. W., & McGaughey, R. J. (1987). The MAP program: Building the digital terrain model. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Twito, Roger H., Ronald W. Mifflin, and Robert J. McGaughey. The MAP Program: Building the Digital Terrain Model. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987.

MLA (9th ed.) Citation

Twito, Roger H., et al. The MAP Program: Building the Digital Terrain Model. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987.