APA (7th ed.) Citation

Studwell, W. E. (1985). Christmas carols: A reference guide. Garland Pub..

Chicago Style (17th ed.) Citation

Studwell, William E. Christmas Carols: A Reference Guide. New York: Garland Pub., 1985.

MLA (9th ed.) Citation

Studwell, William E. Christmas Carols: A Reference Guide. Garland Pub., 1985.