Cita APA

Cribb, P. J. 1., & Rasmussen, F. N. 1. (2004). Field guide to Ethiopian orchids. UK: Royal Botanic Gardens, Kew.

Citación estilo Chicago

Cribb, Phillip James 1946-, y Finn N. 1938- Rasmussen. Field Guide to Ethiopian Orchids. UK: Royal Botanic Gardens, Kew, 2004.

Cita MLA

Cribb, Phillip James 1946-, y Finn N. 1938- Rasmussen. Field Guide to Ethiopian Orchids. UK: Royal Botanic Gardens, Kew, 2004.