APA (7th ed.) Citation

Horak, E., De Villiers, E. M., & Wright, D. (1989). Improved performance of a deep granular base pavement with improved material and control specifications. Roads and Transport Technology.

Chicago Style (17th ed.) Citation

Horak, E., E. M. De Villiers, and D. Wright. Improved Performance of a Deep Granular Base Pavement with Improved Material and Control Specifications. [Pretoria]: Roads and Transport Technology, 1989.

MLA (9th ed.) Citation

Horak, E., et al. Improved Performance of a Deep Granular Base Pavement with Improved Material and Control Specifications. Roads and Transport Technology, 1989.