Cita APA (7a ed.)
Willoughby, R. A. (1974). Stiff differential systems. Plenum Press.
Cita Chicago Style (17a ed.)
Willoughby, Ralph A. Stiff Differential Systems. New York: Plenum Press, 1974.
Cita MLA (9a ed.)
Willoughby, Ralph A. Stiff Differential Systems. Plenum Press, 1974.
Precaución: Estas citas no son 100% exactas.