APA
S.M. Lipset, . (1977). Proceedings of The National Academy Of Sciences USa. Washington: The National Academy Of Science.
Chicago
S.M. Lipset, . 1977. Proceedings of The National Academy Of Sciences USa. Washington: The National Academy Of Science.
Harvard
S.M. Lipset, . (1977). Proceedings of The National Academy Of Sciences USa. Washington: The National Academy Of Science.
MLA
S.M. Lipset, . Proceedings of The National Academy Of Sciences USa. Washington: The National Academy Of Science. 1977.