Παραπομπή APA

Sabelli, B., & Feinberg, H. S. (1980). Simon and Schuster's guide to shells. Simon and Schuster.

Παραπομπή Chicago Style

Sabelli, Bruno, και Harold S. Feinberg. Simon and Schuster's Guide to Shells. New York: Simon and Schuster, 1980.

Παραπομπή MLA

Sabelli, Bruno, και Harold S. Feinberg. Simon and Schuster's Guide to Shells. Simon and Schuster, 1980.