Cita APA (7a ed.)

Lovelock, J. E. (1991). Gaia: The practical science of planetary medicine (First published.). Gaia Books.

Cita Chicago Style (17a ed.)

Lovelock, J. E. Gaia: The Practical Science of Planetary Medicine. First published. London: Gaia Books, 1991.

Cita MLA (9a ed.)

Lovelock, J. E. Gaia: The Practical Science of Planetary Medicine. First published. Gaia Books, 1991.