APA (7th ed.) Citation

Bismarck, K. v., & Dirks, W. (1969). Nuevas fronteras.

Chicago Style (17th ed.) Citation

Bismarck, Klaus von, and Walter Dirks. Nuevas Fronteras. Stuttgart : Kreuz-Verlag, 1966, 1969.

MLA (9th ed.) Citation

Bismarck, Klaus von, and Walter Dirks. Nuevas Fronteras. 1969.

Warning: These citations may not always be 100% accurate.