APA (7th ed.) Citation

United States. Bureau of Land Management & United States. National Park Service. (1991). El Malpais recreation guide map. [Bureau of Land Management].

Chicago Style (17th ed.) Citation

United States. Bureau of Land Management and United States. National Park Service. El Malpais Recreation Guide Map. [Grants, N.M.]: [Bureau of Land Management], 1991.

MLA (9th ed.) Citation

United States. Bureau of Land Management and United States. National Park Service. El Malpais Recreation Guide Map. [Bureau of Land Management], 1991.