Circular Feature Among Dunes of the Great Sand Sea, Egypt

Chicago citation style
El-Baz, Farouk. Circular Feature Among Dunes of the Great Sand Sea, Egypt. 1981. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_54389&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
El-Baz, Farouk, (1981) Circular Feature Among Dunes of the Great Sand Sea, Egypt. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_54389&repo=DPLA
MLA citation style
El-Baz, Farouk. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_54389&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.