APA (7e ed.) Bronvermelding

Não informado. (1950). Bulletin on Rheumatic Diseases. Arthritis Foundation.

Chicago (17e ed.) Bronvermelding

Não informado. Bulletin on Rheumatic Diseases. New York: Arthritis Foundation, 1950.

MLA (8e ed.) Bronvermelding

Não informado. Bulletin on Rheumatic Diseases. Arthritis Foundation, 1950.

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