Cushman, J. A. (1955). Foraminifera, their classification and economic use (4th ed.).
Chicago Edition CitationCushman, Joseph A. Foraminifera, Their Classification and Economic Use. 4th ed. 1955.
MLA Edition CitationCushman, Joseph A. Foraminifera, Their Classification and Economic Use. 4th ed. 1955.
Warning: These citations may not always be 100% accurate.