Παραπομπή APA

Brumbaugh, R. S. (1966). Philosophers of Greece. Allen & Unwin.

Παραπομπή Chicago Style

Brumbaugh, Robert S. Philosophers of Greece. London: Allen & Unwin, 1966.

Παραπομπή MLA

Brumbaugh, Robert S. Philosophers of Greece. Allen & Unwin, 1966.