APA (7th ed.) Citation

Dekker, E. I., & Van Schalkwyk, O. J. (1989). Modern education systems. Butterworths.

Chicago Style (17th ed.) Citation

Dekker, E. I., and O. J. Van Schalkwyk. Modern Education Systems. Durban: Butterworths, 1989.

MLA (9th ed.) Citation

Dekker, E. I., and O. J. Van Schalkwyk. Modern Education Systems. Butterworths, 1989.