"Earth Week concert"

Chicago citation style
DiMarco, Salvatore C. "Earth Week concert". 1971-04-18. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/22030. (Accessed December 13, 2018.)
APA citation style
DiMarco, Salvatore C, (1971-04-18) "Earth Week concert". Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/22030
MLA citation style
DiMarco, Salvatore C. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/22030>.
Note: These citations are programmatically generated and may be incomplete.