Cita APA (7th ed.)

Oposa, A. A., Jr. (2003). The laws of nature and other stories. The Law of Nature Foundation.

Cita Chicago (17th ed.)

Oposa, Antonio A., Jr. The Laws of Nature and Other Stories. Muntinlupa City: The Law of Nature Foundation, 2003.

Cita MLA (9th ed.)

Oposa, Antonio A., Jr. The Laws of Nature and Other Stories. The Law of Nature Foundation, 2003.