APA ציטוט

Hey, R. (1920). Über Pneumatosis cystoides Intestini hominis.

Chicago Style (17th ed.) Citation

Hey, Rolf. Über Pneumatosis Cystoides Intestini Hominis. 1920.

ציטוט MLA

Hey, Rolf. Über Pneumatosis Cystoides Intestini Hominis. 1920.