APA引文

Cramer, B., & de Lacey, G. (1980). Procedures in practice. Intravenous urography.

Citação norma Chicago

Cramer, B., and G. de Lacey. Procedures in Practice. Intravenous Urography. 1980.

MLA引文

Cramer, B., and G. de Lacey. Procedures in Practice. Intravenous Urography. 1980.

警告：這些引文格式不一定是100％准確.