APA (7th ed.) Citation

Campbell, A., & Yeung, S. (1990). Do you need a mission statement ?: Special report No 1208. The economist.

Chicago Style (17th ed.) Citation

Campbell, Andrew, and Sally Yeung. Do You Need a Mission Statement ?: Special Report No 1208. London: The economist, 1990.

MLA (9th ed.) Citation

Campbell, Andrew, and Sally Yeung. Do You Need a Mission Statement ?: Special Report No 1208. The economist, 1990.

Warning: These citations may not always be 100% accurate.