APA引文

Creery, R. D. G. (1953). Intestinal Polyposis Associated with Oral Pigmentation.

Citação norma Chicago

Creery, R. D. G. Intestinal Polyposis Associated With Oral Pigmentation. 1953.

MLA引文

Creery, R. D. G. Intestinal Polyposis Associated With Oral Pigmentation. 1953.

警告：這些引文格式不一定是100％准確.