APA (7th ed.) Citation

Strauss, R., & Kagen, S. (1961). 30 songs: For voice and piano. International Music.

Chicago Style (17th ed.) Citation

Strauss, Richard, and Sergius Kagen. 30 Songs: For Voice and Piano. New York: International Music, 1961.

MLA (9th ed.) Citation

Strauss, Richard, and Sergius Kagen. 30 Songs: For Voice and Piano. International Music, 1961.

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