Cita APA

Cushman, J. A. (1955). Foraminifera, their classification and economic use. Harvard University.

Citación estilo Chicago

Cushman, Joseph A. Foraminifera, Their Classification and Economic Use. 4. ed. Cambridge: Harvard University, 1955.

Cita MLA

Cushman, Joseph A. Foraminifera, Their Classification and Economic Use. 4. ed. Cambridge: Harvard University, 1955.