APA (7th ed.) Citation

Mommsen, W., & Gutiérrez, F. Bismarck (1a. ed.). Salvat.

Chicago Style (17th ed.) Citation

Mommsen, Wilhelm, and Francisco Gutiérrez. Bismarck. 1a. ed. Barcelona: Salvat.

MLA (9th ed.) Citation

Mommsen, Wilhelm, and Francisco Gutiérrez. Bismarck. 1a. ed. Salvat.