Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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