Cita APA

Barrett, W. 1., & Barrett, W. 1. (1973). Time of need: Forms of imagination of the twentieth century (1. edition.). New York, New York: Harper and Row.

Citación estilo Chicago

Barrett, William 1913-, y William 1913- Barrett. Time of Need: Forms of Imagination of the Twentieth Century. 1. edition. New York, New York: Harper and Row, 1973.

Cita MLA

Barrett, William 1913-, y William 1913- Barrett. Time of Need: Forms of Imagination of the Twentieth Century. 1. edition. New York, New York: Harper and Row, 1973.