APA引文

Ahmed, F. (2020). Profile of Cynthia Friend. Proc Natl Acad Sci U S A.

Citação norma Chicago

Ahmed, Farooq. "Profile of Cynthia Friend." Proc Natl Acad Sci U S A 2020.

MLA引文

Ahmed, Farooq. "Profile of Cynthia Friend." Proc Natl Acad Sci U S A 2020.

警告：這些引文格式不一定是100％准確.