APA引文

(2001). Cactus (Opuntia spp.) as forage. Rome, Italy: FAO.

Trích dẫn kiểu Chicago

Cactus (Opuntia Spp.) As Forage. Rome, Italy: FAO, 2001.

MLA引文

Cactus (Opuntia Spp.) As Forage. Rome, Italy: FAO, 2001.

警告：这些引文格式不一定是100％准确.