APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.