Cita APA (7a ed.)

Robertson, J. G. (1912). Goethe and Twentieth Century. Cambridge University Press.

Cita Chicago Style (17a ed.)

Robertson, John George. Goethe and Twentieth Century. Cambridge: Cambridge University Press, 1912.

Cita MLA (9a ed.)

Robertson, John George. Goethe and Twentieth Century. Cambridge University Press, 1912.