APA-Zitierstil (7. Ausg.)

(1974). Land use classification map of the Boulder-Fort Collins-Greeley area, Front Range urban corridor, Colorado. U.S. Geological Survey.

Chicago-Zitierstil (17. Ausg.)

Land Use Classification Map of the Boulder-Fort Collins-Greeley Area, Front Range Urban Corridor, Colorado. Reston, Va: U.S. Geological Survey, 1974.

MLA-Zitierstil (9. Ausg.)

Land Use Classification Map of the Boulder-Fort Collins-Greeley Area, Front Range Urban Corridor, Colorado. U.S. Geological Survey, 1974.