Style de citation APA

Boys, S. (1939). Four issues of fact (Second series): Air raid protection And: Patent medicines And: The insurance man And: The Spanish war. Fact Publishing.

Style de citation Chicago

Boys, S.F. Four Issues of Fact (Second Series): Air Raid Protection And: Patent Medicines And: The Insurance Man And: The Spanish War. London: Fact Publishing, 1939.

Style de citation MLA

Boys, S.F. Four Issues of Fact (Second Series): Air Raid Protection And: Patent Medicines And: The Insurance Man And: The Spanish War. Fact Publishing, 1939.