Παραπομπή σε μορφή APA (7η εκδ.)

National Academy of Sciences (U.S.). Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Academy of Sciences (U.S.). Proceedings of the National Academy of Sciences of the United States of America. Washington [etc.]: National Academy of Sciences.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Academy of Sciences (U.S.). Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences.