APA (7th ed.) Citation

Avi. (1988). Something upstairs: A tale of ghosts. Avon Books.

Chicago Style (17th ed.) Citation

Avi. Something Upstairs: A Tale of Ghosts. New York: Avon Books, 1988.

MLA (9th ed.) Citation

Avi. Something Upstairs: A Tale of Ghosts. Avon Books, 1988.

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