Smithsonian Institution. Office of the Secretary & Sherborn, C. D. (1893). Index to genera and species of Foraminifera. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary and Charles Davies Sherborn. Index to Genera and Species of Foraminifera. Washington, D.C.: [publisher not identified], 1893.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary and Charles Davies Sherborn. Index to Genera and Species of Foraminifera. [publisher not identified], 1893.
Warning: These citations may not always be 100% accurate.