Cite

Cliff dwellings, pueblo ruins, & Indian life in the South West / Photographs by Sumner W. Matteson, Denver.

MLA

Matteson, Sumner W., 1867-1920. Cliff dwellings, pueblo ruins, & Indian life in the South West / Photographs by Sumner W. Matteson, Denver.. ca. 1899-1903.. https://collections.library.yale.edu/catalog/16199150.

APA, 6th edition

Matteson, Sumner W., 1867-1920. (ca. 1899-1903.)[Cliff dwellings, pueblo ruins, & Indian life in the South West / Photographs by Sumner W. Matteson, Denver.]. https://collections.library.yale.edu/catalog/16199150.