APA (7th ed.) Citation

ESOMAR/WAPOR Congress (1973, ESOMAR, & World Association for Public Opinion Research. (1973). The application of market and social research for more efficient planning: Esomar special groups. European Society for Opinion and Marketing Research.

Chicago Style (17th ed.) Citation

ESOMAR/WAPOR Congress (1973, ESOMAR, and World Association for Public Opinion Research. The Application of Market and Social Research for More Efficient Planning: Esomar Special Groups. Amsterdam,: European Society for Opinion and Marketing Research, 1973.

MLA (8th ed.) Citation

ESOMAR/WAPOR Congress (1973, et al. The Application of Market and Social Research for More Efficient Planning: Esomar Special Groups. European Society for Opinion and Marketing Research, 1973.