APA (7th ed.) Citation

O'neill, R., & Horner, D. (1981). New directions in strategic thinking. George allen & Unwin.

Chicago Style (17th ed.) Citation

O'neill, Robert, and D.M Horner. New Directions in Strategic Thinking. London: George allen & Unwin, 1981.

MLA (8th ed.) Citation

O'neill, Robert, and D.M Horner. New Directions in Strategic Thinking. George allen & Unwin, 1981.