Cita APA

Koopowitz, H. 1., Comstock, J., & Woodin, C. (2008). Tropical slipper orchids: Paphiopedilum and Phragmipedium species and hybrids. Portland, Oregon: Timber Press.

Citación estilo Chicago

Koopowitz, Harold 1940-, James Comstock, y Carol Woodin. Tropical Slipper Orchids: Paphiopedilum and Phragmipedium Species and Hybrids. Portland, Oregon: Timber Press, 2008.

Cita MLA

Koopowitz, Harold 1940-, James Comstock, y Carol Woodin. Tropical Slipper Orchids: Paphiopedilum and Phragmipedium Species and Hybrids. Portland, Oregon: Timber Press, 2008.