Bulletin number one ...
giving the names of the one hundred founders of the American Orchid Society, the By-Laws under which they are governed, and the officers who represent them ...
APA Citation
American Orchid Society. (1921). Bulletin number one ..: giving the names of the one hundred founders of the American Orchid Society, the By-Laws under which they are governed, and the officers who represent them ... [Washington?].
MLA Citation
American Orchid Society. Bulletin Number One ..: Giving the Names of the One Hundred Founders of the American Orchid Society, the By-Laws Under Which They Are Governed, And the Officers Who Represent Them ... [Washington?], 1921.
Warning: These citations may not always be complete (especially for serials).