Não informado. (1931). Cleveland Clinic Quarterly. Cleveland Clinic Educational Foundation.
Chicagoスタイル(17版)引用形式Não informado. Cleveland Clinic Quarterly. Cleveland, Ohio: Cleveland Clinic Educational Foundation, 1931.
MLA(8版)引用形式Não informado. Cleveland Clinic Quarterly. Cleveland Clinic Educational Foundation, 1931.
警告: この引用は必ずしも正確ではありません.