APA (7e ed.) Bronvermelding

Não informado. (1920). Discovery: The magazine of scientific progress. Professional and Industrial Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Discovery: The Magazine of Scientific Progress. London: Professional and Industrial Publishing, 1920.

MLA (8e ed.) Bronvermelding

Não informado. Discovery: The Magazine of Scientific Progress. Professional and Industrial Publishing, 1920.

Let op: Deze citaties zijn niet altijd 100% accuraat.