APA (7e ed.) Bronvermelding

Não informado. (1920). Journal of Radiology. Radiological Society of North America.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Radiology. Omaha, Neb: Radiological Society of North America, 1920.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Radiology. Radiological Society of North America, 1920.

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