Παραπομπή σε μορφή APA (7η εκδ.)

Webb, W. F. (1948). Foreign land and freshwater shells: From all parts of the world except the United states and Canada. St. Petersburg Printing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Webb, Walter Freeman. Foreign Land and Freshwater Shells: From All Parts of the World Except the United States and Canada. Florida: St. Petersburg Printing, 1948.

Παραπομπή σε μορφή MLA (9th εκδ.)

Webb, Walter Freeman. Foreign Land and Freshwater Shells: From All Parts of the World Except the United States and Canada. St. Petersburg Printing, 1948.