Cita APA (7a ed.)

Douglas, A. E. (2010). The symbiotic habit. Princeton University Press.

Cita Chicago Style (17a ed.)

Douglas, A. E. The Symbiotic Habit. Princeton, N.J.: Princeton University Press, 2010.

Cita MLA (8a ed.)

Douglas, A. E. The Symbiotic Habit. Princeton University Press, 2010.