Cita APA

Aceñolaza, G. F. (2005). Spirodesmos milanai n. isp: A shallow-water spiral trace fossil from the Cambrian of the Eastern Cordillera, northwest Argentina. Web

Citación estilo Chicago

Aceñolaza, Guillermo Federico. Spirodesmos Milanai N. Isp: A Shallow-water Spiral Trace Fossil From the Cambrian of the Eastern Cordillera, Northwest Argentina. 2005.

Cita MLA

Aceñolaza, Guillermo Federico. Spirodesmos Milanai N. Isp: A Shallow-water Spiral Trace Fossil From the Cambrian of the Eastern Cordillera, Northwest Argentina. 2005.