Rodgers, A. D. (1944). John Merle Coulter. Princeton University Press.
Cita Chicago Style (17a ed.)Rodgers, Andrew Denny. John Merle Coulter. Princeton, N.J.: Princeton University Press, 1944.
Cita MLA (8a ed.)Rodgers, Andrew Denny. John Merle Coulter. Princeton University Press, 1944.
Precaución: Estas citas no son 100% exactas.