Παραπομπή σε μορφή APA (7η εκδ.)

Royal Horticultural Society, London, & Hey, R. (1974). The Dictionary of indoor plants in colour. Ebury Press in collaboration with the Royal Horticultural Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Royal Horticultural Society, London, και Roy Hey. The Dictionary of Indoor Plants in Colour. London: Ebury Press in collaboration with the Royal Horticultural Society, 1974.

Παραπομπή σε μορφή MLA (9th εκδ.)

Royal Horticultural Society, London, και Roy Hey. The Dictionary of Indoor Plants in Colour. Ebury Press in collaboration with the Royal Horticultural Society, 1974.