Cita APA (7a ed.)

Russell, D. H. (1952). Doorways to discovey. (1a.ed.). Ginn and Company.

Cita Chicago Style (17a ed.)

Russell, David H. Doorways to Discovey. 1a.ed. Estados Unidos: Ginn and Company, 1952.

Cita MLA (9a ed.)

Russell, David H. Doorways to Discovey. 1a.ed. Ginn and Company, 1952.