Cranes : whirlers, gantry cranes, floating cranes, hoists, coal & ore bridges, unloaders, special purpose installations

Chicago citation style
Dravo Corporation. Cranes : whirlers, gantry cranes, floating cranes, hoists, coal & ore bridges, unloaders, special purpose installations. Retrieved from the Digital Public Library of America, http://digitalcollections.powerlibrary.org/cdm/ref/collection/pcalo-amc/id/88863. (Accessed December 11, 2018.)
APA citation style
Dravo Corporation, Cranes : whirlers, gantry cranes, floating cranes, hoists, coal & ore bridges, unloaders, special purpose installations. Retrieved from the Digital Public Library of America, http://digitalcollections.powerlibrary.org/cdm/ref/collection/pcalo-amc/id/88863
MLA citation style
Dravo Corporation. Retrieved from the Digital Public Library of America <http://digitalcollections.powerlibrary.org/cdm/ref/collection/pcalo-amc/id/88863>.
Note: These citations are programmatically generated and may be incomplete.