APA (7th ed.) Citation

Kleypas. (2005). It happened one Autumn. Avon books.

Chicago Style (17th ed.) Citation

Kleypas. It Happened One Autumn. New york: Avon books, 2005.

MLA (9th ed.) Citation

Kleypas. It Happened One Autumn. Avon books, 2005.

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