APA (7th ed.) Citation

Royal Agricultural Society of England, National Agricultural Centre. Pig Unit, & Dutch Committee for the Co-Ordination of Research on the Group Housing of Sows. (1990). Electronic identification in pig production: An international symposium exchanging experience between countries, 23rd to 26th September, 1990. [Royal Agricultural Society of England?].

Chicago Style (17th ed.) Citation

Royal Agricultural Society of England, National Agricultural Centre. Pig Unit, and Dutch Committee for the Co-Ordination of Research on the Group Housing of Sows. Electronic Identification in Pig Production: An International Symposium Exchanging Experience Between Countries, 23rd to 26th September, 1990. [Stoneleigh, Warwickshire?]: [Royal Agricultural Society of England?], 1990.

MLA (9th ed.) Citation

Royal Agricultural Society of England, et al. Electronic Identification in Pig Production: An International Symposium Exchanging Experience Between Countries, 23rd to 26th September, 1990. [Royal Agricultural Society of England?], 1990.