Cita APA

Pflum, J., & Waterman, A. H. (1974). The new open education: A program for combining the basics with alternative methods. Acropolis Books, Ltd.

Citación estilo Chicago

Pflum, John, and Anita Hanks Waterman. The New Open Education: A Program for Combining the Basics with Alternative Methods. Washington, D.C: Acropolis Books, Ltd, 1974.

Cita MLA

Pflum, John, and Anita Hanks Waterman. The New Open Education: A Program for Combining the Basics with Alternative Methods. Acropolis Books, Ltd, 1974.