MLA

Society, Maine Missionary. A Discourse Delivered in Portland, June 26, 1833, before the Maine Missionary Society, at Its Twenty-Sixth Anniversary . Press of the Maine Missionary Society, 1833. https://collections.library.yale.edu/catalog/16934778.

APA, 6th edition

Society, M. M. (1833). A Discourse Delivered in Portland, June 26, 1833, before the Maine Missionary Society, at Its Twenty-Sixth Anniversary . Press of the Maine Missionary Society. https://collections.library.yale.edu/catalog/16934778.