APA
Gruhn R., . (1991). A review of lynchïs descriptions of south American pleistocene sites. Washington-US: Society for American Archaeology.
Chicago
Gruhn Ruth, . 1991. A review of lynchïs descriptions of south American pleistocene sites. Washington-US: Society for American Archaeology.
Harvard
Gruhn R., . (1991). A review of lynchïs descriptions of south American pleistocene sites. Washington-US: Society for American Archaeology.
MLA
Gruhn Ruth, . A review of lynchïs descriptions of south American pleistocene sites. Washington-US: Society for American Archaeology. 1991.