APA aipamena

Pennsylvania Academy of Science. Proceedings of the Pennsylvania Academy of Science. Pennsylvania Academy of Science.

Chicago Style aipamena

Pennsylvania Academy of Science. Proceedings of the Pennsylvania Academy of Science. [Harrisburg]: Pennsylvania Academy of Science.

MLA aipamena

Pennsylvania Academy of Science. Proceedings of the Pennsylvania Academy of Science. Pennsylvania Academy of Science.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.