APA (7th ed.) Citation

(1983). 1:100 000-scale metric topographic map of Alamosa, Colorado: 30 x 60 minute series (topographic) (Map edited 1983.). The Bureau.

Chicago Style (17th ed.) Citation

1:100 000-scale Metric Topographic Map of Alamosa, Colorado: 30 X 60 Minute Series (topographic). Map edited 1983. Reston, Va.: The Bureau, 1983.

MLA (9th ed.) Citation

1:100 000-scale Metric Topographic Map of Alamosa, Colorado: 30 X 60 Minute Series (topographic). Map edited 1983. The Bureau, 1983.