APA (7th ed.) Citation

Hadden, R. L. (2012). The geology of Yemen: An annotated bibliography of Yemen's geology, geography, and earth science. Army Geospatial Center, US Army Corps of Engineers.

Chicago Style (17th ed.) Citation

Hadden, Robert Lee. The Geology of Yemen: An Annotated Bibliography of Yemen's Geology, Geography, and Earth Science. Alexandria, Virginia: Army Geospatial Center, US Army Corps of Engineers, 2012.

MLA (9th ed.) Citation

Hadden, Robert Lee. The Geology of Yemen: An Annotated Bibliography of Yemen's Geology, Geography, and Earth Science. Army Geospatial Center, US Army Corps of Engineers, 2012.