APA (7th ed.) Citation

Ader, H. J., & Mellenbergh, G. J. (1999). Research methodology in the life, behavioural, and social sciences. SAGE Publications.

Chicago Style (17th ed.) Citation

Ader, Herman J., and G. J. Mellenbergh. Research Methodology in the Life, Behavioural, and Social Sciences. London ; Thousand Oaks Calif.: SAGE Publications, 1999.

MLA (9th ed.) Citation

Ader, Herman J., and G. J. Mellenbergh. Research Methodology in the Life, Behavioural, and Social Sciences. SAGE Publications, 1999.