APA (7e ed.) Bronvermelding

Não informado. (1931). Cleveland Clinic Quarterly. Cleveland Clinic Educational Foundation.

Chicago (17e ed.) Bronvermelding

Não informado. Cleveland Clinic Quarterly. Cleveland, Ohio: Cleveland Clinic Educational Foundation, 1931.

MLA (8e ed.) Bronvermelding

Não informado. Cleveland Clinic Quarterly. Cleveland Clinic Educational Foundation, 1931.

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