APA (7th ed.) Citation

Knovel (Firm), Ash, M., & Ash, I. (2008). Handbook of food additives (3rd ed.). Synapse Information Resources.

Chicago Style (17th ed.) Citation

Knovel (Firm), Michael Ash, and Irene Ash. Handbook of Food Additives. 3rd ed. Endicott, NY: Synapse Information Resources, 2008.

MLA (9th ed.) Citation

Knovel (Firm), et al. Handbook of Food Additives. 3rd ed. Synapse Information Resources, 2008.