APA (7th ed.) Citation

Prak, J. L. (1952). Tests op school. J. B. Wolters.

Chicago Style (17th ed.) Citation

Prak, J. Luning. Tests Op School. J. B. Wolters, 1952.

MLA (8th ed.) Citation

Prak, J. Luning. Tests Op School. J. B. Wolters, 1952.

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