APA (7th ed.) Citation

Maaß, T. (2000). It came upon a midnight clear: For 4 trombones (Full score, [parts].). wonderbrass music & products GmbH.

Chicago Style (17th ed.) Citation

Maaß, Torsten. It Came upon a Midnight Clear: For 4 Trombones. Full score, [parts]. Ahrensburg: wonderbrass music & products GmbH, 2000.

MLA (9th ed.) Citation

Maaß, Torsten. It Came upon a Midnight Clear: For 4 Trombones. Full score, [parts]. wonderbrass music & products GmbH, 2000.