Citação norma 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.

Citação norma 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.

Citação norma 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.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.