APA ציטוט

Hradecký, P., & Rapprich, V. (2007). Historical Tephra-stratigraphy of the Cosigüina Volcano (Western Nicaragua).

Citación estilo Chicago

Hradecký, Petr, y Vladislav Rapprich. Historical Tephra-stratigraphy of the Cosigüina Volcano (Western Nicaragua). 2007.

ציטוט MLA

Hradecký, Petr, y Vladislav Rapprich. Historical Tephra-stratigraphy of the Cosigüina Volcano (Western Nicaragua). 2007.