Não informado. (1920). Discovery: The magazine of scientific progress. Professional and Industrial Publishing.
Chicagoスタイル(17版)引用形式Não informado. Discovery: The Magazine of Scientific Progress. London: Professional and Industrial Publishing, 1920.
MLA(8版)引用形式Não informado. Discovery: The Magazine of Scientific Progress. Professional and Industrial Publishing, 1920.
警告: この引用は必ずしも正確ではありません.