APA引文

Niswander, K. R. (1973). Laminaria tents as an aid in suction abortion.

Citação norma Chicago

Niswander, K R. Laminaria Tents As an Aid in Suction Abortion. 1973.

MLA引文

Niswander, K R. Laminaria Tents As an Aid in Suction Abortion. 1973.

警告：這些引文格式不一定是100％准確.