Παραπομπή APA

Gaul, A. (1955). Wonderful world of the sea shore. Appliton.

Παραπομπή Chicago Style

Gaul, Albro. Wonderful World of the Sea Shore. New york: Appliton, 1955.

Παραπομπή MLA

Gaul, Albro. Wonderful World of the Sea Shore. Appliton, 1955.