Stevenson, D. W. 1., Osborne, R., Taylor Blake, A. S., & International Conference on Cycad Biology. (2012). Proceedings of Cycad 2008: The 8th International Conference on Cycad Biology, 13-15 January 2008, Panama City, Panama. New York: New York Botanical Garden Press.
Styl ChicagoStevenson, Dennis Wm. 1942-, Roy Osborne, Alberto Sidney Taylor Blake, and International Conference on Cycad Biology. Proceedings of Cycad 2008: The 8th International Conference On Cycad Biology, 13-15 January 2008, Panama City, Panama. New York: New York Botanical Garden Press, 2012.
Citace podle MLAStevenson, Dennis Wm. 1942-, Roy Osborne, Alberto Sidney Taylor Blake, and International Conference on Cycad Biology. Proceedings of Cycad 2008: The 8th International Conference On Cycad Biology, 13-15 January 2008, Panama City, Panama. New York: New York Botanical Garden Press, 2012.