APA Style

Favareau, D. et al (2012). A more developed sign: interpreting the work of Jesper Hoffmeyer . Tartu, Estonia: University of Tartu Press.

MLA Style

Favareau, Donald. et al. "A more developed sign: interpreting the work of Jesper Hoffmeyer". Tartu, Estonia: University of Tartu Press, 2012. Text.