Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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