APA引文

Trimble, G. X. (1966). Vascular headaches and oral contraceptives.

Citação norma Chicago

Trimble, G. X. Vascular Headaches and Oral Contraceptives. 1966.

MLA引文

Trimble, G. X. Vascular Headaches and Oral Contraceptives. 1966.

警告：這些引文格式不一定是100％准確.