Cita APA (7th ed.)

Portland Society of Natural History (Me.). (1892). The Portland catalogue of Maine plants (2nd ed.). Portland society of natural history.

Cita Chicago (17th ed.)

Portland Society of Natural History (Me.). The Portland Catalogue of Maine Plants. 2nd ed. Portland: Portland society of natural history, 1892.

Cita MLA (8th ed.)

Portland Society of Natural History (Me.). The Portland Catalogue of Maine Plants. 2nd ed. Portland society of natural history, 1892.