Não informado. (2009). Proceedings of the Birmingham Natural History Society. Birmingham Natural History and Philosophical Society.
Chicago-Zitierstil (17. Ausg.)Não informado. Proceedings of the Birmingham Natural History Society. Birmingham, Inglaterra: Birmingham Natural History and Philosophical Society, 2009.
MLA-Zitierstil (8. Ausg.)Não informado. Proceedings of the Birmingham Natural History Society. Birmingham Natural History and Philosophical Society, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.