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MLA

United States, and Bureau of Human Nutrition and Home Economics. "Jars, Caps, Rubbers : Inspects Your Jars for Cracks and Nicks, Wash Clean In Hot Soapy Water -- to Test for Airtight Seal Fill Jar with Hot Water ... Adjust Cap .. Tilt : Typical Jars and Tops ..." , poster. Print

APA

United States, U. States, & Bureau of Human Nutrition and Home Economics, B. of Human Nutrition and Home Economics. (0000). Jars, caps, rubbers : inspects your jars for cracks and nicks, wash clean in hot soapy water -- to test for airtight seal fill jar with hot water ... adjust cap .. tilt : typical jars and tops .

Chicago

United States, and Bureau of Human Nutrition and Home Economics. "Jars, caps, rubbers : inspects your jars for cracks and nicks, wash clean in hot soapy water -- to test for airtight seal fill jar with hot water ... adjust cap .. tilt : typical jars and tops .." (1943): poster.