APA (7th ed.) Citation

Pridgeon, A. M. (1999). Genera orchidacearum. Oxford University Press.

Chicago Style (17th ed.) Citation

Pridgeon, Alec M. Genera Orchidacearum. Oxford ; New York: Oxford University Press, 1999.

MLA (9th ed.) Citation

Pridgeon, Alec M. Genera Orchidacearum. Oxford University Press, 1999.

Warning: These citations may not always be 100% accurate.