Huxley, T. H. Discourses: Biological & Geological Essays.
Cita Chicago (17th ed.)Huxley, Thomas Henry. Discourses: Biological & Geological Essays.
Cita MLA (9th ed.)Huxley, Thomas Henry. Discourses: Biological & Geological Essays.
Atenció: Aquestes cites poden no estar 100% correctes.