Cita APA (7a ed.)

Tudge, C. (2002). The variety of life: A survey and a celebration of all the creatures that have ever lived (1st published as an Oxford University Press pbk.). University Press.

Cita Chicago Style (17a ed.)

Tudge, Colin. The Variety of Life: A Survey and a Celebration of All the Creatures That Have Ever Lived. 1st published as an Oxford University Press pbk. Oxford: University Press, 2002.

Cita MLA (9a ed.)

Tudge, Colin. The Variety of Life: A Survey and a Celebration of All the Creatures That Have Ever Lived. 1st published as an Oxford University Press pbk. University Press, 2002.