Cita APA (7a ed.)
Wallace, B., & Simmons, G. M. (1987). Biology for living. Johns Hopkins University Press.
Cita Chicago Style (17a ed.)
Wallace, Bruce, y George M. Simmons. Biology for Living. Baltimore: Johns Hopkins University Press, 1987.
Cita MLA (9a ed.)
Wallace, Bruce, y George M. Simmons. Biology for Living. Johns Hopkins University Press, 1987.
Precaución: Estas citas no son 100% exactas.