Cita APA (7a ed.)

Gaebelein, A. C. 1. a. (1934). The conflict of the ages. Pickering & Inglis.

Cita Chicago Style (17a ed.)

Gaebelein, Arno Clemens 1861-1945 autor. The Conflict of the Ages. [S.l.]: Pickering & Inglis, 1934.

Cita MLA (9a ed.)

Gaebelein, Arno Clemens 1861-1945 autor. The Conflict of the Ages. Pickering & Inglis, 1934.