APA (7th ed.) Citation

Ippel, M. J. (1986). Component-testing: A theory of cognitive aptitude measurement. Free University Press.

Chicago Style (17th ed.) Citation

Ippel, Martinus Johannes. Component-testing: A Theory of Cognitive Aptitude Measurement. Amsterdam: Free University Press, 1986.

MLA (8th ed.) Citation

Ippel, Martinus Johannes. Component-testing: A Theory of Cognitive Aptitude Measurement. Free University Press, 1986.