Cushman, J. A. (1948). Foraminifera: : 4th ed (4th ed.). Harvard university press.
Chicago Edition CitationCushman, Joseph A. Foraminifera: : 4th Ed. 4th ed. Cambridge: Harvard university press, 1948.
MLA Edition CitationCushman, Joseph A. Foraminifera: : 4th Ed. 4th ed. Harvard university press, 1948.
Warning: These citations may not always be 100% accurate.