APA引文

C W S HOWE & R G Edwards. (1975). Immunobiology of Trophoblast. Cambridge.

Chicago Edition Citation

C W S HOWE and R G Edwards. Immunobiology of Trophoblast. Cambridge, 1975.

MLA引文

C W S HOWE and R G Edwards. Immunobiology of Trophoblast. Cambridge, 1975.

警告：這些引文格式不一定是100％准確.