APA

Newell N., . (1949). Geology of the Lake Titicaca Region, Perú and Bolivia. Baltimore: Geol.Soc.of America.

Chicago

Newell Norman, . 1949. Geology of the Lake Titicaca Region, Perú and Bolivia. Baltimore: Geol.Soc.of America.

Harvard

Newell N., . (1949). Geology of the Lake Titicaca Region, Perú and Bolivia. Baltimore: Geol.Soc.of America.

MLA

Newell Norman, . Geology of the Lake Titicaca Region, Perú and Bolivia. Baltimore: Geol.Soc.of America. 1949.