APA (7th ed.) Citation

Essex Institute & American Society of Naturalists. (1867). The American naturalist. Essex Institute.

Chicago Style (17th ed.) Citation

Essex Institute and American Society of Naturalists. The American Naturalist. Salem, Mass.: Essex Institute, 1867.

MLA (9th ed.) Citation

Essex Institute and American Society of Naturalists. The American Naturalist. Essex Institute, 1867.