The National Geological Survey of China, 1916-1931;
a summary of its work during the first fifteen years of its establishment.

APA Citation

Zhong yang di zhi diao cha suo (China). (1931). The National Geological Survey of China, 1916-1931: a summary of its work during the first fifteen years of its establishment. Peiping.

MLA Citation

Zhong yang di zhi diao cha suo (China). The National Geological Survey of China, 1916-1931: a Summary of Its Work During the First Fifteen Years of Its Establishment. Peiping, 1931.

Warning: These citations may not always be complete (especially for serials).