Hellman, H. (1975). Psychosocial and cultural determinants of population policy. Interdisciplinary Communications Program.
芝加哥风格引文Hellman, Hal. Psychosocial and Cultural Determinants of Population Policy. Washington: Interdisciplinary Communications Program, 1975.
MLA引文Hellman, Hal. Psychosocial and Cultural Determinants of Population Policy. Interdisciplinary Communications Program, 1975.
警告：这些引文格式不一定是100％准确.