Lillian Gilbreth and Stephen Crawford

Chicago citation style
Unknown. Lillian Gilbreth and Stephen Crawford. 1962-05-26. Retrieved from the Digital Public Library of America, http://search.openlibrary.artstor.org/object/SS7730017_7730017_8436204_RHODE. (Accessed May 21, 2018.)
APA citation style
Unknown, (1962-05-26) Lillian Gilbreth and Stephen Crawford. Retrieved from the Digital Public Library of America, http://search.openlibrary.artstor.org/object/SS7730017_7730017_8436204_RHODE
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://search.openlibrary.artstor.org/object/SS7730017_7730017_8436204_RHODE>.
Note: These citations are programmatically generated and may be incomplete.