Cita APA

Withner, C. L. 1., & Harding, P. A. 1. (2004). The cattleyas and their relatives: The debatable epidendrums. Portland, Oregon: Timber Press.

Citación estilo Chicago

Withner, Carl Leslie 1918-2012, y Patricia Ann 1951- Harding. The Cattleyas and Their Relatives: The Debatable Epidendrums. Portland, Oregon: Timber Press, 2004.

Cita MLA

Withner, Carl Leslie 1918-2012, y Patricia Ann 1951- Harding. The Cattleyas and Their Relatives: The Debatable Epidendrums. Portland, Oregon: Timber Press, 2004.