APA (7th ed.) Citation

Harral, C. G., & Henneman, S. (1970). Sudan transport study model. International Bank for Reconstruction and Development.

Chicago Style (17th ed.) Citation

Harral, Clell G., and Suzy Henneman. Sudan Transport Study Model. [Washington]: International Bank for Reconstruction and Development, 1970.

MLA (8th ed.) Citation

Harral, Clell G., and Suzy Henneman. Sudan Transport Study Model. International Bank for Reconstruction and Development, 1970.