APA (7th ed.) Citation

Orff, C., & Keetman, G. Musica poetica: Orff-Schulwerk. Harmonia Mundi.

Chicago Style (17th ed.) Citation

Orff, Carl, and Gunild Keetman. Musica Poetica: Orff-Schulwerk. [S.l.]: Harmonia Mundi.

MLA (9th ed.) Citation

Orff, Carl, and Gunild Keetman. Musica Poetica: Orff-Schulwerk. Harmonia Mundi.

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