APA引文

Kuhn, N. J. (1972). The lactogenic action of human chorionic gonadotrophin in the rat.

Citação norma Chicago

Kuhn, N J. The Lactogenic Action of Human Chorionic Gonadotrophin in the Rat. 1972.

MLA引文

Kuhn, N J. The Lactogenic Action of Human Chorionic Gonadotrophin in the Rat. 1972.

警告：這些引文格式不一定是100％准確.