Smithsonian Institution. Office of the Secretary & Gill, T. (1871). Arrangement of families of mollusks. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary and Theodore Gill. Arrangement of Families of Mollusks. Washington, D.C.: [publisher not identified], 1871.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary and Theodore Gill. Arrangement of Families of Mollusks. [publisher not identified], 1871.
Warning: These citations may not always be 100% accurate.