"In observance of first Swedish settlers 300 years ago"

Chicago citation style
"In observance of first Swedish settlers 300 years ago". 1938-04-08. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/38231. (Accessed December 9, 2018.)
APA citation style
(1938-04-08) "In observance of first Swedish settlers 300 years ago". Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/38231
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/38231>.
Note: These citations are programmatically generated and may be incomplete.