APA (7th ed.) Citation

Weir, C., & Weir, R. (2010). Ice creams, sorbets and gelati: The definitive guide. Grub Street.

Chicago Style (17th ed.) Citation

Weir, Caroline, and Robin Weir. Ice Creams, Sorbets and Gelati: The Definitive Guide. London: Grub Street, 2010.

MLA (9th ed.) Citation

Weir, Caroline, and Robin Weir. Ice Creams, Sorbets and Gelati: The Definitive Guide. Grub Street, 2010.