Citazione Stile APA (7a Edizione)

Hay, R., & Synge, P. M. (1991). The colour dictionary of garden plants: With house and greenhouse plants (Compact edition.). Bloomsbury Books.

Citazione stile Chigago Style (17a edizione)

Hay, Roy, e Patrick M. Synge. The Colour Dictionary of Garden Plants: With House and Greenhouse Plants. Compact edition. Bloomsbury Street, London: Bloomsbury Books, 1991.

Citatione MLA (9a ed.)

Hay, Roy, e Patrick M. Synge. The Colour Dictionary of Garden Plants: With House and Greenhouse Plants. Compact edition. Bloomsbury Books, 1991.