(1942). I believe: The personal philosophies of twenty-three eminent men and women of our time. Allen & Unwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रI Believe: The Personal Philosophies of Twenty-three Eminent Men and Women of Our Time. London: Allen & Unwin, 1942.
एमएलए (8वां संस्करण) प्रशस्ति पत्रI Believe: The Personal Philosophies of Twenty-three Eminent Men and Women of Our Time. Allen & Unwin, 1942.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.