Citazione Stile APA (7a Edizione)

Cushman, J. A. (1948). Foraminifera: Their classification and economic use (4a. ed.). Harvard University Press.

Citazione stile Chigago Style (17a edizione)

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4a. ed. Cambridge: Harvard University Press, 1948.

Citatione MLA (9a ed.)

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4a. ed. Harvard University Press, 1948.