APA (7th ed.) Citation

I.G.U. - I.C.A. Working Group on Environment Atlases. (1980). Examples of environmental maps = exemples de carte de l'environment / I.G.U. - I.C.A. Working Group on Environment Atlases. Instituto Geografico Nacional.

Chicago Style (17th ed.) Citation

I.G.U. - I.C.A. Working Group on Environment Atlases. Examples of Environmental Maps = Exemples De Carte De L'environment / I.G.U. - I.C.A. Working Group on Environment Atlases. Madrid: Instituto Geografico Nacional, 1980.

MLA (9th ed.) Citation

I.G.U. - I.C.A. Working Group on Environment Atlases. Examples of Environmental Maps = Exemples De Carte De L'environment / I.G.U. - I.C.A. Working Group on Environment Atlases. Instituto Geografico Nacional, 1980.