APA (7th ed.) Citation

Wolff, A. (1984). Opern-Arien für Sopran. Peters.

Chicago Style (17th ed.) Citation

Wolff, Ann-Elisabeth. Opern-Arien Für Sopran. Leipzig [u.a.]: Peters, 1984.

MLA (8th ed.) Citation

Wolff, Ann-Elisabeth. Opern-Arien Für Sopran. Peters, 1984.

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