Ronald Reagan speaking at Pepperdine University in 1989

Chicago citation style
Ronald Reagan speaking at Pepperdine University in 1989. 1989-03-06. Retrieved from the Digital Public Library of America, http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll1/id/12. (Accessed December 15, 2018.)
APA citation style
(1989-03-06) Ronald Reagan speaking at Pepperdine University in 1989. Retrieved from the Digital Public Library of America, http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll1/id/12
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll1/id/12>.
Note: These citations are programmatically generated and may be incomplete.