Cita APA

Alonso, R. N., & Egenhoff, S. O. (2005). The first geological observations in Argentina and southern Bolivia: The diary of Anton Zacharias Helms (1788/1789). Web

Citación estilo Chicago

Alonso, Ricardo Narciso, and Sven O. Egenhoff. The First Geological Observations in Argentina and Southern Bolivia: The Diary of Anton Zacharias Helms (1788/1789). 2005.

Cita MLA

Alonso, Ricardo Narciso, and Sven O. Egenhoff. The First Geological Observations in Argentina and Southern Bolivia: The Diary of Anton Zacharias Helms (1788/1789). 2005.