Chemical engineering costs

Chicago citation style
Dryden, Charles E. Chemical engineering costs. 1963. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001668358. (Accessed October 19, 2018.)
APA citation style
Dryden, Charles E, (1963) Chemical engineering costs. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001668358
MLA citation style
Dryden, Charles E. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001668358>.
Note: These citations are programmatically generated and may be incomplete.