APA (7th ed.) Citation

Administration, U. S. F. H. (1970). SR-20 reconstruction, SR-153 near Twisp to Beaver Creek, Okanogan County: Environmental impact statement.

Chicago Style (17th ed.) Citation

Administration, United States. Federal Highway. SR-20 Reconstruction, SR-153 Near Twisp to Beaver Creek, Okanogan County: Environmental Impact Statement. 1970.

MLA (9th ed.) Citation

Administration, United States. Federal Highway. SR-20 Reconstruction, SR-153 Near Twisp to Beaver Creek, Okanogan County: Environmental Impact Statement. 1970.