Cita APA

International Orchid Symposium, Wells, T. 1., & Willems, J. H. (1991). Population ecology of terrestrial orchids. The Hague, The Netherlands: SPB Academic Publishing.

Citación estilo Chicago

International Orchid Symposium, Terry 1935-2008 Wells, y Jo H. Willems. Population Ecology of Terrestrial Orchids. The Hague, The Netherlands: SPB Academic Publishing, 1991.

Cita MLA

International Orchid Symposium, Terry 1935-2008 Wells, y Jo H. Willems. Population Ecology of Terrestrial Orchids. The Hague, The Netherlands: SPB Academic Publishing, 1991.