APA (7th ed.) Citation

Lawes, M., Hetschko, C., Sakshaug, J. W., & Eid, M. Collecting Hair Samples in Online Panel Surveys: Participation Rates, Selective Participation, and Effects on Attrition. European Survey Research Association.

Chicago Style (17th ed.) Citation

Lawes, Mario, Clemens Hetschko, Joseph W. Sakshaug, and Michael Eid. Collecting Hair Samples in Online Panel Surveys: Participation Rates, Selective Participation, and Effects on Attrition. European Survey Research Association.

MLA (9th ed.) Citation

Lawes, Mario, et al. Collecting Hair Samples in Online Panel Surveys: Participation Rates, Selective Participation, and Effects on Attrition. European Survey Research Association.