APA (7th ed.) Citation

Siebers, P., Aickelin, U., Celia, H., & Clegg, C. (2007). Understanding Retail Productivity by Simulating Management Practices.

Chicago Style (17th ed.) Citation

Siebers, Peer-Olaf, Uwe Aickelin, Helen Celia, and Christopher Clegg. Understanding Retail Productivity by Simulating Management Practices. 2007.

MLA (9th ed.) Citation

Siebers, Peer-Olaf, et al. Understanding Retail Productivity by Simulating Management Practices. 2007.