APA (7th ed.) Citation

Wolff, A. (1986). Opern-Arien für Sopran. Peters.

Chicago Style (17th ed.) Citation

Wolff, Ann-Elisabeth. Opern-Arien Für Sopran. Leipzig [u.a.]: Peters, 1986.

MLA (8th ed.) Citation

Wolff, Ann-Elisabeth. Opern-Arien Für Sopran. Peters, 1986.

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