Students. Pennsylvania State College, Forestry School, Mt. Alto, Pennsylvania. Young boy eating under a tree.

Chicago citation style
Students. Pennsylvania State College, Forestry School, Mt. Alto, Pennsylvania. Young boy eating under a tree.. Circa 1930. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll15/id/551. (Accessed September 24, 2018.)
APA citation style
(Circa 1930) Students. Pennsylvania State College, Forestry School, Mt. Alto, Pennsylvania. Young boy eating under a tree.. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll15/id/551
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll15/id/551>.
Note: These citations are programmatically generated and may be incomplete.