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.