APA (7th ed.) Citation

Sommer, H., Petersen, B., & Wittke, P. (1993). Safeguarding Food Quality. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Sommer, H., Brigitte Petersen, and P. Wittke. Safeguarding Food Quality. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993.

MLA (9th ed.) Citation

Sommer, H., et al. Safeguarding Food Quality. Springer Berlin Heidelberg, 1993.