"Humidifier adds comfort"

Chicago citation style
"Humidifier adds comfort". 1979-03-04. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/24084. (Accessed December 17, 2018.)
APA citation style
(1979-03-04) "Humidifier adds comfort". Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/24084
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/24084>.
Note: These citations are programmatically generated and may be incomplete.