APA (7th ed.) Citation

International Congress of Plant Protection Washington, D.C., & Kommedahl, T. (1981). Proceedings of symposia, IX International Congress of Plant Protection, Washington, D.C. U.S.A., August 5-11, 1979. published for the Congress by Burgess Pub..

Chicago Style (17th ed.) Citation

International Congress of Plant Protection Washington, D.C., and Thor Kommedahl. Proceedings of Symposia, IX International Congress of Plant Protection, Washington, D.C. U.S.A., August 5-11, 1979. Minneapolis, Minn.: published for the Congress by Burgess Pub., 1981.

MLA (9th ed.) Citation

International Congress of Plant Protection Washington, D.C., and Thor Kommedahl. Proceedings of Symposia, IX International Congress of Plant Protection, Washington, D.C. U.S.A., August 5-11, 1979. published for the Congress by Burgess Pub., 1981.