APA引文

O'Brien, J. R., Usher, R. H., & Maughan, G. B. (1966). Causes of Birth Asphyxia and Trauma.

Citação norma Chicago

O'Brien, John R., Robert H. Usher, and George B. Maughan. Causes of Birth Asphyxia and Trauma. 1966.

MLA引文

O'Brien, John R., Robert H. Usher, and George B. Maughan. Causes of Birth Asphyxia and Trauma. 1966.

警告：這些引文格式不一定是100％准確.