Παραπομπή APA

Hemleben, C. H., & ...[et al.]. (1989). Modern plantktonic foraminifera. Springer.

Παραπομπή Chicago Style

Hemleben, C. H., και ...[et al.]. Modern Plantktonic Foraminifera. New York: Springer, 1989.

Παραπομπή MLA

Hemleben, C. H., και ...[et al.]. Modern Plantktonic Foraminifera. Springer, 1989.