APA (7th ed.) Citation

Smith, N., Vigor, H., Eve, J., & Langlois, A. (1991). People in organizations. Oxford University Press.

Chicago Style (17th ed.) Citation

Smith, Norman, Hilary Vigor, John Eve, and Allister Langlois. People in Organizations. Oxford [etc.]: Oxford University Press, 1991.

MLA (9th ed.) Citation

Smith, Norman, et al. People in Organizations. Oxford University Press, 1991.