APA
F. peter Woodford, . (1971). Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: The National Academy of Sciences.
Chicago
F. peter Woodford, . 1971. Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: The National Academy of Sciences.
Harvard
F. peter Woodford, . (1971). Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: The National Academy of Sciences.
MLA
F. peter Woodford, . Proceedings of the National Academy Of Sciences of the United States of America. U.S.A: The National Academy of Sciences. 1971.