APA (7th ed.) Citation

Allen, W. R. (1993). What managers do (4th ed.). American Management Association.

Chicago Style (17th ed.) Citation

Allen, William R. What Managers Do. 4th ed. Saranac Lake, N.Y: American Management Association, 1993.

MLA (9th ed.) Citation

Allen, William R. What Managers Do. 4th ed. American Management Association, 1993.