APA (7th ed.) Citation

Harper, J., Linko, P., & Mercier, C. (1989). Extrusion cooking. American Association of Cereal Chemists.

Chicago Style (17th ed.) Citation

Harper, J.M, P. Linko, and C. Mercier. Extrusion Cooking. St. Paul, Minn: American Association of Cereal Chemists, 1989.

MLA (9th ed.) Citation

Harper, J.M, et al. Extrusion Cooking. American Association of Cereal Chemists, 1989.