APA (7th ed.) Citation

Heckelman, J. C., & Knack, S. (2012). Aid, Economic Freedom, and Growth.

Chicago Style (17th ed.) Citation

Heckelman, Jac C., and Stephen Knack. Aid, Economic Freedom, and Growth. 2012.

MLA (8th ed.) Citation

Heckelman, Jac C., and Stephen Knack. Aid, Economic Freedom, and Growth. 2012.

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