APA (7th ed.) Citation

Barnard, C. I. (1968). The functions of the executive (30th anniversary edition.). Harvard University Press.

Chicago Style (17th ed.) Citation

Barnard, Chester I. The Functions of the Executive. 30th anniversary edition. Cambridge, Mass: Harvard University Press, 1968.

MLA (9th ed.) Citation

Barnard, Chester I. The Functions of the Executive. 30th anniversary edition. Harvard University Press, 1968.