Παραπομπή σε μορφή APA (7η εκδ.)

(1942). I believe: The personal philosophies of twenty-three eminent men and women of our time. Allen & Unwin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

I Believe: The Personal Philosophies of Twenty-three Eminent Men and Women of Our Time. London: Allen & Unwin, 1942.

Παραπομπή σε μορφή MLA (8th εκδ.)

I Believe: The Personal Philosophies of Twenty-three Eminent Men and Women of Our Time. Allen & Unwin, 1942.