APA
United States L. o. C., United States L. o. C., . (1915). Classification. : .
Chicago
United States Library of Congress, United States Library of Congress, . 1915. Classification. : .
Harvard
United States L. o. C., United States L. o. C., . (1915). Classification. : .
MLA
United States Library of Congress, United States Library of Congress, . Classification. : . 1915.
