APA (7th ed.) Citation

Lombard, J. A., Stadler, J. J., & Van der Merwe, P. J. (1969). The concept of economic co-operation in southern Africa ([2d ed.].). Econburo.

Chicago Style (17th ed.) Citation

Lombard, J. A., J. J. Stadler, and P. J. Van der Merwe. The Concept of Economic Co-operation in Southern Africa. [2d ed.]. Pretoria: Econburo, 1969.

MLA (8th ed.) Citation

Lombard, J. A., et al. The Concept of Economic Co-operation in Southern Africa. [2d ed.]. Econburo, 1969.