APA (7th ed.) Citation

Wagner, R., Ludwig II. Bayern, K., & Ludwig II Bayern, K. (1960). Lettres, 1864 - 1883. Plon.

Chicago Style (17th ed.) Citation

Wagner, Richard, König Ludwig II. Bayern, and König Ludwig II Bayern. Lettres, 1864 - 1883. Paris: Plon, 1960.

MLA (9th ed.) Citation

Wagner, Richard, et al. Lettres, 1864 - 1883. Plon, 1960.