Koopowitz, H. 1., Comstock, J., & Woodin, C. (2008). Tropical slipper orchids: Paphiopedilum and Phragmipedium species and hybrids. Portland, Oregon: Timber Press.
Chicago Style CitationKoopowitz, Harold 1940-, James Comstock, and Carol Woodin. Tropical Slipper Orchids: Paphiopedilum and Phragmipedium Species and Hybrids. Portland, Oregon: Timber Press, 2008.
MLA CitationKoopowitz, Harold 1940-, James Comstock, and Carol Woodin. Tropical Slipper Orchids: Paphiopedilum and Phragmipedium Species and Hybrids. Portland, Oregon: Timber Press, 2008.
Warning: These citations may not always be 100% accurate.