APA (7th ed.) Citation

O'Brien, J. A. (1941). Happiness! But where?: Light on our darkness. Saint Anthony's Guild.

Chicago Style (17th ed.) Citation

O'Brien, John A. Happiness! But Where?: Light on Our Darkness. Paterson, N.J.: Saint Anthony's Guild, 1941.

MLA (8th ed.) Citation

O'Brien, John A. Happiness! But Where?: Light on Our Darkness. Saint Anthony's Guild, 1941.