APA (7th ed.) Citation

Wolfram von Eschenbach, Nelli, R., & Regales, A. (1999). Parzival. Siruela.

Chicago Style (17th ed.) Citation

Wolfram von Eschenbach, René Nelli, and Antonio Regales. Parzival. Madrid: Siruela, 1999.

MLA (9th ed.) Citation

Wolfram von Eschenbach, et al. Parzival. Siruela, 1999.