APA (7th ed.) Citation

Luther, M. Martin Luthers Geistliche Lieder. Insel-Verlag.

Chicago Style (17th ed.) Citation

Luther, Martin. Martin Luthers Geistliche Lieder. Leipzig: Insel-Verlag.

MLA (8th ed.) Citation

Luther, Martin. Martin Luthers Geistliche Lieder. Insel-Verlag.

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