APA-viite

Proceedings of the National Academy of Sciences of United States of America. National Academy of Sciences of United States of America.

Chicago-tyylinen lähdeviittaus

Proceedings of the National Academy of Sciences of United States of America. USA: National Academy of Sciences of United States of America.

MLA-viite

Proceedings of the National Academy of Sciences of United States of America. National Academy of Sciences of United States of America.