APA (7th ed.) Citation

Humperdinck, E. Evening prayer: (When at night I go to sleep);from the Opera "Hansel and Gretel". Boston Music.

Chicago Style (17th ed.) Citation

Humperdinck, Engelbert. Evening Prayer: (When at Night I Go to Sleep);from the Opera "Hansel and Gretel". Boston: Boston Music.

MLA (9th ed.) Citation

Humperdinck, Engelbert. Evening Prayer: (When at Night I Go to Sleep);from the Opera "Hansel and Gretel". Boston Music.

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