Cita APA (7a ed.)

Cristiani, L. (1959). Why we believe. Hawthorn Books, Publishers.

Cita Chicago Style (17a ed.)

Cristiani, Léon. Why We Believe. New York: Hawthorn Books, Publishers, 1959.

Cita MLA (9a ed.)

Cristiani, Léon. Why We Believe. Hawthorn Books, Publishers, 1959.