APA (7th ed.) Citation

International Geological Congress Madrid. (1926). Minas de Almaden. Imp. de V. Rico.

Chicago Style (17th ed.) Citation

International Geological Congress Madrid. Minas De Almaden. Madrid: Imp. de V. Rico, 1926.

MLA (9th ed.) Citation

International Geological Congress Madrid. Minas De Almaden. Imp. de V. Rico, 1926.

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