APA
(131994). Proceedings Of The National Academy Of Science. U. S. A: National Academy Of Science.
Chicago
131994. Proceedings Of The National Academy Of Science. U. S. A: National Academy Of Science.
Harvard
(131994). Proceedings Of The National Academy Of Science. U. S. A: National Academy Of Science.
MLA
Proceedings Of The National Academy Of Science. U. S. A: National Academy Of Science. 131994.