APA (7th ed.) Citation

Não informado. (2018). Proceedings of the Portland Society of Natural History. Portland Society of Natural History.

Chicago Style (17th ed.) Citation

Não informado. Proceedings of the Portland Society of Natural History. Portland, Me: Portland Society of Natural History, 2018.

MLA (8th ed.) Citation

Não informado. Proceedings of the Portland Society of Natural History. Portland Society of Natural History, 2018.

Warning: These citations may not always be 100% accurate.