APA (7th ed.) Citation

Seminar on Social Research London, England, & Esomar. (1977). Seminar on Social Research, London (England), 30th November-2nd December, 1977. European Society for Opinion and Marketing Research.

Chicago Style (17th ed.) Citation

Seminar on Social Research London, England, and Esomar. Seminar on Social Research, London (England), 30th November-2nd December, 1977. Amsterdam: European Society for Opinion and Marketing Research, 1977.

MLA (8th ed.) Citation

Seminar on Social Research London, England, and Esomar. Seminar on Social Research, London (England), 30th November-2nd December, 1977. European Society for Opinion and Marketing Research, 1977.