APA (7th ed.) Citation

Shapton, D. A., & Shapton, N. F. (1991). Principles and practices for the safe processing of foods. Butterworth Heinemann.

Chicago Style (17th ed.) Citation

Shapton, D. A., and Norah F. Shapton. Principles and Practices for the Safe Processing of Foods. Oxford: Butterworth Heinemann, 1991.

MLA (9th ed.) Citation

Shapton, D. A., and Norah F. Shapton. Principles and Practices for the Safe Processing of Foods. Butterworth Heinemann, 1991.