Training alert sounds for Air Guardsmen

Chicago citation style
Higgins. Training alert sounds for Air Guardsmen. 1961-07-08. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/14832. (Accessed December 11, 2018.)
APA citation style
Higgins, (1961-07-08) Training alert sounds for Air Guardsmen. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/14832
MLA citation style
Higgins. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/14832>.
Note: These citations are programmatically generated and may be incomplete.