Cita APA (7a ed.)

(1947). Excerpta medica: The internat. medical abstracting service.

Cita Chicago Style (17a ed.)

Excerpta Medica: The Internat. Medical Abstracting Service. Amsterdam, 1947.

Cita MLA (8a ed.)

Excerpta Medica: The Internat. Medical Abstracting Service. 1947.