Cita APA

Cushman, J. A. (1948). Foraminifera: Their classification and economic use (4th ed., rev. and enl.). Harvard Univ. Press.

Citación estilo Chicago

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4th ed., rev. and enl. Cambridge: Harvard Univ. Press, 1948.

Cita MLA

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4th ed., rev. and enl. Harvard Univ. Press, 1948.