APA (7th ed.) Citation

(1984). State of Colorado: Base map with highways and contours (compiled in 1968, revised 1980.).

Chicago Style (17th ed.) Citation

State of Colorado: Base Map with Highways and Contours. compiled in 1968, revised 1980. Reston, VA, 1984.

MLA (9th ed.) Citation

State of Colorado: Base Map with Highways and Contours. compiled in 1968, revised 1980. 1984.

Warning: These citations may not always be 100% accurate.