APA引文

Roper, J., & Day, S. (1988). Uptake of immunisations in low birthweight infants.

Citação norma Chicago

Roper, J., and S. Day. Uptake of Immunisations in Low Birthweight Infants. 1988.

MLA引文

Roper, J., and S. Day. Uptake of Immunisations in Low Birthweight Infants. 1988.

警告：這些引文格式不一定是100％准確.