Cita APA

Cribb, P. J. 1., & Sellars, P. 1. (1987). The genus Paphiopedilum. Portland, Oregon: Timber Press.

Citación estilo Chicago

Cribb, Phillip James 1946-, y Pandora 1936-2017 Sellars. The Genus Paphiopedilum. Portland, Oregon: Timber Press, 1987.

Cita MLA

Cribb, Phillip James 1946-, y Pandora 1936-2017 Sellars. The Genus Paphiopedilum. Portland, Oregon: Timber Press, 1987.