Cita APA

Johnson, M. L. P. (1974). Thirty years with an idea. University of Alabama Press for the Organic School.

Citación estilo Chicago

Johnson, Marietta Louise Pierce. Thirty Years with an Idea. University: University of Alabama Press for the Organic School, 1974.

Cita MLA

Johnson, Marietta Louise Pierce. Thirty Years with an Idea. University of Alabama Press for the Organic School, 1974.