Keep, A. V. (1981). The Premenstrual Syndrome.
Chicago Style (17th ed.) CitationKeep, A. Van. The Premenstrual Syndrome. 1981.
MLA引文Keep, A. Van. The Premenstrual Syndrome. 1981.
警告：這些引文格式不一定是100％准確.
APA引文
Keep, A. V. (1981). The Premenstrual Syndrome.
Chicago Style (17th ed.) CitationKeep, A. Van. The Premenstrual Syndrome. 1981.
MLA引文Keep, A. Van. The Premenstrual Syndrome. 1981.