APA引文

Fikri, M., & El-Sayed, M. A. (1933). The incidence of sugars in the urine of infants and children.

Citação norma Chicago

Fikri, M., and Mah. A. El-Sayed. The Incidence of Sugars in the Urine of Infants and Children. 1933.

MLA引文

Fikri, M., and Mah. A. El-Sayed. The Incidence of Sugars in the Urine of Infants and Children. 1933.

警告：這些引文格式不一定是100％准確.