Greenberg, D. (1973). "Announcing a new school.": A personal account of the beginnings of the Sudbury Valley School. Sudbury Valley School Press.
Citação do estilo Chicago (17ª ed.)Greenberg, Daniel. "Announcing a New School.": A Personal Account of the Beginnings of the Sudbury Valley School. Framingham, Mass.: Sudbury Valley School Press, 1973.
Citação MLA (8ª ed.)Greenberg, Daniel. "Announcing a New School.": A Personal Account of the Beginnings of the Sudbury Valley School. Sudbury Valley School Press, 1973.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.