APA (7th ed.) Citation

Grass, N., & Schreiber, G. (1957). Ostern in Tirol. Schlern-Schriften.

Chicago Style (17th ed.) Citation

Grass, Nikolaus, and Georg Schreiber. "Ostern in Tirol." Schlern-Schriften 1957.

MLA (8th ed.) Citation

Grass, Nikolaus, and Georg Schreiber. "Ostern in Tirol." Schlern-Schriften, 1957.

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