Παραπομπή APA

Villee, C. (1961). Biology.3rd ed (3rd ed.). Tuttle.

Παραπομπή Chicago Style

Villee, Claude. Biology.3rd Ed. 3rd ed. Tokyo: Tuttle, 1961.

Παραπομπή MLA

Villee, Claude. Biology.3rd Ed. 3rd ed. Tuttle, 1961.