International Orchid Symposium, Wells, T. C. E., & Willems, J. H. (1991). Population ecology of terrestrial orchids. SPB Academic Publishing.
Chicago Style (17th ed.) CitationInternational Orchid Symposium, T. C. E. Wells, and J. H. Willems. Population Ecology of Terrestrial Orchids. The Hague: SPB Academic Publishing, 1991.
MLA (9th ed.) CitationInternational Orchid Symposium, et al. Population Ecology of Terrestrial Orchids. SPB Academic Publishing, 1991.
Warning: These citations may not always be 100% accurate.