Cita APA (7a ed.)

International William T. Preyer Symposium 1982, Jena, Eckardt, G., Preyer, W. T., & International William T. Preyer Symposium. (1985). Contributions to a history of developmental psychology: International William T. Preyer Symposium. New Babylon.

Cita Chicago Style (17a ed.)

International William T. Preyer Symposium 1982, Jena, Georg Eckardt, William T. Preyer, y International William T. Preyer Symposium. "Contributions to a History of Developmental Psychology: International William T. Preyer Symposium." New Babylon 1985.

Cita MLA (8a ed.)

International William T. Preyer Symposium 1982, Jena, et al. "Contributions to a History of Developmental Psychology: International William T. Preyer Symposium." New Babylon, 1985.