APA (7th ed.) Citation

Poston, E. (1965). The Penguin book of Christmas carols. Penguin Books.

Chicago Style (17th ed.) Citation

Poston, Elizabeth. The Penguin Book of Christmas Carols. Harmondsworth, Middlesex ; Ringwood, Vic: Penguin Books, 1965.

MLA (9th ed.) Citation

Poston, Elizabeth. The Penguin Book of Christmas Carols. Penguin Books, 1965.