Cita APA (7a ed.)
Johnston, H. (2003). A bridge not attacked: Chemical warfare civilian research during World War II. World Scientific.
Cita Chicago Style (17a ed.)
Johnston, Harold. A Bridge Not Attacked: Chemical Warfare Civilian Research During World War II. River Edge, N.J.: World Scientific, 2003.
Cita MLA (9a ed.)
Johnston, Harold. A Bridge Not Attacked: Chemical Warfare Civilian Research During World War II. World Scientific, 2003.
Precaución: Estas citas no son 100% exactas.