Cita APA (7th ed.)

Pridgeon, A. M., Cribb, P. J., & Chase, M. W. (1999). Genera Orchidacearum: Volume 1: General Introduction, Apostasioideae, Cypripedioideae. Oxford University Press.

Cita Chicago (17th ed.)

Pridgeon, Alec M., Phillip J. Cribb, i Mark W. Chase. Genera Orchidacearum: Volume 1: General Introduction, Apostasioideae, Cypripedioideae. Oxford: Oxford University Press, 1999.

Cita MLA (9th ed.)

Pridgeon, Alec M., et al. Genera Orchidacearum: Volume 1: General Introduction, Apostasioideae, Cypripedioideae. Oxford University Press, 1999.