APA (7th ed.) Citation

Willard, B. (1969). The grove of green holly / by B. Willard. Penguin.

Chicago Style (17th ed.) Citation

Willard, B. The Grove of Green Holly / by B. Willard. Penguin, 1969.

MLA (9th ed.) Citation

Willard, B. The Grove of Green Holly / by B. Willard. Penguin, 1969.

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