APA
Jerold A. Last, . (1971). Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: .
Chicago
Jerold A. Last, . 1971. Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: .
Harvard
Jerold A. Last, . (1971). Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: .
MLA
Jerold A. Last, . Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: . 1971.