Cita APA (7a ed.)
Gottschalk, L., & Lach, D. (1951). Europe and the modern world. Scott, Foresman and Co..
Cita Chicago Style (17a ed.)
Gottschalk, Louis, y Donald Lach. Europe and the Modern World. Chicago: Scott, Foresman and Co., 1951.
Cita MLA (9a ed.)
Gottschalk, Louis, y Donald Lach. Europe and the Modern World. Scott, Foresman and Co., 1951.
Precaución: Estas citas no son 100% exactas.