Cita APA

Krushensky, R. D. (1973). Geological map and cross sections of the Istarú quadrangle, Costa Rica =: Mapa geológico y cortes transversales de la hoja de Istarú, Costa Rica. Washington, D.C.: United States Department of the Interior Geological Survey.

Citación estilo Chicago

Krushensky, Richard D. Geological Map and Cross Sections of the Istarú Quadrangle, Costa Rica =: Mapa Geológico Y Cortes Transversales De La Hoja De Istarú, Costa Rica. Washington, D.C.: United States Department of the Interior Geological Survey, 1973.

Cita MLA

Krushensky, Richard D. Geological Map and Cross Sections of the Istarú Quadrangle, Costa Rica =: Mapa Geológico Y Cortes Transversales De La Hoja De Istarú, Costa Rica. Washington, D.C.: United States Department of the Interior Geological Survey, 1973.