Παραπομπή APA

Paul, W. (1964). Collected Scientific Papers.-vol.2. John Wiley and Sons.

Παραπομπή Chicago Style

Paul, W. Collected Scientific Papers.-vol.2. New York: John Wiley and Sons, 1964.

Παραπομπή MLA

Paul, W. Collected Scientific Papers.-vol.2. John Wiley and Sons, 1964.