APA (7th ed.) Zitazioa

Davies, D. (1992). Alliums: The ornamental onions. Timber.

Chicago Style (17th ed.) Zitazioa

Davies, Dilys. Alliums: The Ornamental Onions. Portland: Timber, 1992.

MLA (9th ed.) Zitazioa

Davies, Dilys. Alliums: The Ornamental Onions. Timber, 1992.