Gaya APA

Pridgeon, A, M, [, A. (2003). Genera orchidacearum : volume 3 Orchidoideae (part two) Vanilloideae . Oxford: Oxford University Press.

Gaya MLA

Pridgeon, Alec, M., [et, Al.]. "Genera orchidacearum : volume 3 Orchidoideae (part two) Vanilloideae". Oxford: Oxford University Press, 2003. Text.