APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.