A monograph of the lichen family Umbilicariaceae in the Western Hemisphere.
APA Citation
Llano, G. A. (George Albert). (1950). A monograph of the lichen family Umbilicariaceae in the Western Hemisphere. Washington: Office of Naval Research, Dept. of the Navy.
MLA Citation
Llano, George A. (George Albert), 1911-2003. A Monograph of the Lichen Family Umbilicariaceae In the Western Hemisphere. Washington: Office of Naval Research, Dept. of the Navy, 1950.
Warning: These citations may not always be complete (especially for serials).