APA (7th ed.) Citation

Symposium on Seed Research in Horticulture Geisenheim, Germany, International Society for Horticultural Science. Working Group Vegetable Seed Production, Kretschmer, M., & Borg, H. H. v. d. (1987). Symposium on Seed Research in Horticulture: Geisenheim, Germany, May 6-10, 1985. International Society for Horticultural Science.

Chicago Style (17th ed.) Citation

Symposium on Seed Research in Horticulture Geisenheim, Germany, International Society for Horticultural Science. Working Group Vegetable Seed Production, M. Kretschmer, and H. H. van der Borg. Symposium on Seed Research in Horticulture: Geisenheim, Germany, May 6-10, 1985. Wageningen, Netherlands: International Society for Horticultural Science, 1987.

MLA (9th ed.) Citation

Symposium on Seed Research in Horticulture Geisenheim, Germany, et al. Symposium on Seed Research in Horticulture: Geisenheim, Germany, May 6-10, 1985. International Society for Horticultural Science, 1987.