APA引文

Cunningham, F. G., MacDonald, P. C., & Gant, N. F. (1996). Obstetricia de Williams.

Chicago Style (17th ed.) Citation

Cunningham, F. Gary, Paul C. MacDonald, and Norman F. Gant. Obstetricia De Williams. 1996.

MLA引文

Cunningham, F. Gary, et al. Obstetricia De Williams. 1996.

警告：這些引文格式不一定是100％准確.