Cite
Questionnaire color and response rates to mailed surveys. A randomized trial and a meta-analysis.
MLA
Etter, Jean-François, et al. “Questionnaire Color and Response Rates to Mailed Surveys. A Randomized Trial and a Meta-Analysis.” Evaluation & the Health Professions, vol. 25, no. 2, June 2002, pp. 185–99. EBSCOhost, https://doi.org/10.1177/01678702025002004.
APA
Etter, J.-F., Cucherat, M., & Perneger, T. V. (2002). Questionnaire color and response rates to mailed surveys. A randomized trial and a meta-analysis. Evaluation & the Health Professions, 25(2), 185–199. https://doi.org/10.1177/01678702025002004
Chicago
Etter, Jean-François, Michel Cucherat, and Thomas V. Perneger. 2002. “Questionnaire Color and Response Rates to Mailed Surveys. A Randomized Trial and a Meta-Analysis.” Evaluation & the Health Professions 25 (2): 185–99. doi:10.1177/01678702025002004.