APA引文

Villalobos, W., Rivera, C., & Harnmond, R. W. (1997). Occurrence of citrus viroids in Costa Rica.

Citación estilo Chicago

Villalobos, W., C. Rivera, y R W. Harnmond. Occurrence of Citrus Viroids in Costa Rica. 1997.

MLA引文

Villalobos, W., C. Rivera, y R W. Harnmond. Occurrence of Citrus Viroids in Costa Rica. 1997.

警告：這些引文格式不一定是100％准確.