APA (7th ed.) Citation

Amery, H., Cartwright, S., & Turner, B. C. (1989). The Usborne book of christmas carols. Usborne Pub.

Chicago Style (17th ed.) Citation

Amery, Heather, Stephen Cartwright, and Barrie Carson Turner. The Usborne Book of Christmas Carols. London: Usborne Pub, 1989.

MLA (9th ed.) Citation

Amery, Heather, et al. The Usborne Book of Christmas Carols. Usborne Pub, 1989.