Routes in south western Abyssinia : from plane-table and prismatic compass traverses / by George Montandon, 1910-1911.
MLA
Montandon, George, 1879-1944. Routes in south western Abyssinia : from plane-table and prismatic compass traverses / by George Montandon, 1910-1911.. BRBL_00333. [1912]. https://collections.library.yale.edu/catalog/15952187.
APA, 6th edition
Montandon, George, 1879-1944. (["BRBL_00333"])([1912])[Routes in south western Abyssinia : from plane-table and prismatic compass traverses / by George Montandon, 1910-1911.]. https://collections.library.yale.edu/catalog/15952187.