Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.