Παραπομπή σε μορφή APA (7η εκδ.)

British Iris Society Species Group & King, C. (1997). A guide to species irises: Their identification and cultivation. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

British Iris Society Species Group και Christabel King. A Guide to Species Irises: Their Identification and Cultivation. Cambridge: Cambridge University Press, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

British Iris Society Species Group και Christabel King. A Guide to Species Irises: Their Identification and Cultivation. Cambridge University Press, 1997.