Why prices rise and fall

Chicago citation style
Lawrence, Frederick William Pethick, 1871-. Why prices rise and fall. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/010523320. (Accessed October 16, 2018.)
APA citation style
Lawrence, Frederick William Pethick, 1871-, (1920) Why prices rise and fall. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/010523320
MLA citation style
Lawrence, Frederick William Pethick, 1871-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/010523320>.
Note: These citations are programmatically generated and may be incomplete.