Karlen, A. (1971). Sexuality and homosexuality: A new view / Arno Karlen. Norton.
Chicago-Zitierstil (17. Ausg.)Karlen, Arno. Sexuality and Homosexuality: A New View / Arno Karlen. New York: Norton, 1971.
MLA-Zitierstil (8. Ausg.)Karlen, Arno. Sexuality and Homosexuality: A New View / Arno Karlen. Norton, 1971.
警告：这些引文格式不一定是100％准确.