Lovelock, J. E. (1991). Gaia: The practical science of planetary medicine (First published.). Gaia Books.
Citazione stile Chigago Style (17a edizione)Lovelock, J. E. Gaia: The Practical Science of Planetary Medicine. First published. London: Gaia Books, 1991.
Citatione MLA (9a ed.)Lovelock, J. E. Gaia: The Practical Science of Planetary Medicine. First published. Gaia Books, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.