Smithsonian Institution. (1922). Opinions rendered by International Commission on Zoological Nomenclature: Opinions 68-77. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Opinions Rendered by International Commission on Zoological Nomenclature: Opinions 68-77. [Washington]: [publisher not identified], 1922.
MLA (9th ed.) CitationSmithsonian Institution. Opinions Rendered by International Commission on Zoological Nomenclature: Opinions 68-77. [publisher not identified], 1922.
Warning: These citations may not always be 100% accurate.