Cita APA (7a ed.)

Gottschalk, L. R., & Lach, D. (1954). Europe and the modern world since 1870. Scott, Foresman and Company.

Cita Chicago Style (17a ed.)

Gottschalk, Louis Reichenthal, y Donald Lach. Europe and the Modern World Since 1870. Chicago [etc.]: Scott, Foresman and Company, 1954.

Cita MLA (9a ed.)

Gottschalk, Louis Reichenthal, y Donald Lach. Europe and the Modern World Since 1870. Scott, Foresman and Company, 1954.