Cita APA (7a ed.)
Journal of the Pennsylvania Academy of Science [J Pa Acad Sci] NLMUID: 8915781.
Cita Chicago Style (17a ed.)
Journal of the Pennsylvania Academy of Science [J Pa Acad Sci] NLMUID: 8915781.
Cita MLA (9a ed.)
Journal of the Pennsylvania Academy of Science [J Pa Acad Sci] NLMUID: 8915781.
Precaución: Estas citas no son 100% exactas.