Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Douglas, Angela E. The Symbiotic Habit. Princeton, N.J. [u.a.]: Princeton Univ. Press, 2010.

Cita MLA (8th ed.)

Douglas, Angela E. The Symbiotic Habit. Princeton Univ. Press, 2010.