Society of the Sigma XI\nScientific Research Society of America\nSigma XI, the Scientific Research Society of North America\nSigma XI, the Scientific Research Society. (1942). American Scientist. Society of the Sigma XI.
Chicago (17e ed.) BronvermeldingSociety of the Sigma XI\nScientific Research Society of America\nSigma XI, the Scientific Research Society of North America\nSigma XI, the Scientific Research Society. American Scientist. New Haven, Conn: Society of the Sigma XI, 1942.
MLA (8e ed.) BronvermeldingSociety of the Sigma XI\nScientific Research Society of America\nSigma XI, the Scientific Research Society of North America\nSigma XI, the Scientific Research Society. American Scientist. Society of the Sigma XI, 1942.
Let op: Deze citaties zijn niet altijd 100% accuraat.