Cita APA (7a ed.)

Nelson, D., Moody, P. E., & Stegner, J. R. (2001). The purchasing machine: How the top ten companies use best practices to manage their supply chains. Free Press.

Cita Chicago Style (17a ed.)

Nelson, Dave, Patricia E. Moody, y Jonathan R. Stegner. The Purchasing Machine: How the Top Ten Companies Use Best Practices to Manage Their Supply Chains. New York [etc.]: Free Press, 2001.

Cita MLA (9a ed.)

Nelson, Dave, et al. The Purchasing Machine: How the Top Ten Companies Use Best Practices to Manage Their Supply Chains. Free Press, 2001.