APA

Graef H. C., . (1959). Modern gloom and Christian hope. Chicago: Regnery.

Chicago

Graef Hilda C, . 1959. Modern gloom and Christian hope. Chicago: Regnery.

Harvard

Graef H. C., . (1959). Modern gloom and Christian hope. Chicago: Regnery.

MLA

Graef Hilda C, . Modern gloom and Christian hope. Chicago: Regnery. 1959.