APA (7th ed.) Citation

Ludwig, H., & Ensikat, K. (1965). Altberliner Bilderbogen (o.A.). Altberliner Verlag.

Chicago Style (17th ed.) Citation

Ludwig, Hans, and Klaus Ensikat. Altberliner Bilderbogen. o.A. Berlin: Altberliner Verlag, 1965.

MLA (8th ed.) Citation

Ludwig, Hans, and Klaus Ensikat. Altberliner Bilderbogen. o.A. Altberliner Verlag, 1965.

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