Interior of lab at the College of Fisheries showing students at work, University of Washington, Seattle, Washington, ca. 1920

Chicago citation style
Cobb, John N. (John Nathan), 1868-1930. Interior of lab at the College of Fisheries showing students at work, University of Washington, Seattle, Washington, ca. 1920. ca. 1920. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/cobb/id/316. (Accessed October 18, 2018.)
APA citation style
Cobb, John N. (John Nathan), 1868-1930, (ca. 1920) Interior of lab at the College of Fisheries showing students at work, University of Washington, Seattle, Washington, ca. 1920. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/cobb/id/316
MLA citation style
Cobb, John N. (John Nathan), 1868-1930. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/cobb/id/316>.
Note: These citations are programmatically generated and may be incomplete.