APA (7th ed.) Citation

Williams, R. A., Atkinson, P., Delamont, S., Cernat, A., & Sakshaug, J. W. (2020). Ordinal independent variables. SAGE Publications Ltd..

Chicago Style (17th ed.) Citation

Williams, Richard A., Paul Atkinson, Sara Delamont, Alexandru Cernat, and Joseph W. Sakshaug. Ordinal Independent Variables. London: SAGE Publications Ltd., 2020.

MLA (9th ed.) Citation

Williams, Richard A., et al. Ordinal Independent Variables. SAGE Publications Ltd., 2020.