A close up of an iris

Chicago citation style
A close up of an iris. 1933-05-30. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/55429. (Accessed December 13, 2018.)
APA citation style
(1933-05-30) A close up of an iris. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/55429
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/55429>.
Note: These citations are programmatically generated and may be incomplete.