APA (7th ed.) Citation

Shields, J., & Dugdale, J. (1991). Hats: A stylish history and collector's guide. Clarkson Potter.

Chicago Style (17th ed.) Citation

Shields, Jody, and John Dugdale. Hats: A Stylish History and Collector's Guide. NY: Clarkson Potter, 1991.

MLA (9th ed.) Citation

Shields, Jody, and John Dugdale. Hats: A Stylish History and Collector's Guide. Clarkson Potter, 1991.