Cita APA (7a ed.)

Thoreau, H. D., & Cargill, O. (1952). Selected writings on nature and liberty. The Liberal Arts.

Cita Chicago Style (17a ed.)

Thoreau, Henry David, y Oscar Cargill. Selected Writings on Nature and Liberty. New York: The Liberal Arts, 1952.

Cita MLA (8a ed.)

Thoreau, Henry David, y Oscar Cargill. Selected Writings on Nature and Liberty. The Liberal Arts, 1952.