APA (7th ed.) Citation

Vornholt. (1999). Knock on wood. Pocket Book.

Chicago Style (17th ed.) Citation

Vornholt. Knock on Wood. London: Pocket Book, 1999.

MLA (8th ed.) Citation

Vornholt. Knock on Wood. Pocket Book, 1999.

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