APA (7th ed.) Citation

Allen, K., Hull, C. J., & Yuill, D. (1979). More options in regional incentive policy.

Chicago Style (17th ed.) Citation

Allen, Kevin, Christopher J. Hull, and Douglas Yuill. More Options in Regional Incentive Policy. Berlin, 1979.

MLA (9th ed.) Citation

Allen, Kevin, et al. More Options in Regional Incentive Policy. 1979.