Boilermakers Union building front entrance, Portland, Oregon, February 20, 1946

Chicago citation style
Dearborn-Massar, Belluschi, Pietro, 1899-1994. Boilermakers Union building front entrance, Portland, Oregon, February 20, 1946. February 20, 1946. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/dearmassar/id/1318. (Accessed June 23, 2018.)
APA citation style
Dearborn-Massar, Belluschi, Pietro, 1899-1994, (February 20, 1946) Boilermakers Union building front entrance, Portland, Oregon, February 20, 1946. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/dearmassar/id/1318
MLA citation style
Dearborn-Massar, Belluschi, Pietro, 1899-1994. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/dearmassar/id/1318>.
Note: These citations are programmatically generated and may be incomplete.